/******************************************************************************

 **                                                                          **

 **     Module:     SR_ClipUtilities.h                                       **

 **                                                                          **

 **                                                                          **

 **     Purpose:                                                             **

 **                                                                          **

 **                                                                          **

 **                                                                          **

 **     Copyright (C) 1995 Apple Computer, Inc.  All rights reserved.        **

 **                                                                          **

 **                                                                          **

 *****************************************************************************/

#ifndef SR_ClipUtilities_h

#define SR_ClipUtilities_h

#include "SR.h"

#ifdef __cplusplus

extern "C" {

#endif  /* __cplusplus */

/******************************************************************************

 **                                                                          **

 **                             Clip Utilities                               **

 **                                                                          **

 *****************************************************************************/

void SR_ClipPlanesInDC(

    TQ3Matrix4x4                *frustumToDC, 

    float                       *clipPlanesInDC);

/******************************************************************************

 **                                                                          **

 **                             Other Routines                               **

 **                                                                          **

 *****************************************************************************/

void SRPointList_WDivide(

    TQ3RationalPoint4D  *in, 

    unsigned long       numVertices, 

    unsigned long       sizeOfIn);

void SRPointList_ClipTestVertices(

    TQ3RationalPoint4D  *deviceVertices,  

    unsigned long       *clipFlags, 

    long                numVertices, 

    float               *clipPlanesInDC, 

    long                *clipFound, 

    long                *allOut, 

    unsigned long       sizeOfIn);

void SRPointList_ClipVertices(

    TQ3RationalPoint4D  *vertices, 

    long                sizeOfVertex,

    TQ3RationalPoint4D  *clipVertices, 

    long                sizeOfClippedVertex,

    unsigned long       *clipFlags, 

    long                *clippedVerticesFlags,

    long                numVertices, 

    long                *numClippedVertices,

    float               *clipPlanes,

    long                mode);

#ifdef __cplusplus

}

#endif  /* __cplusplus */

#endif  /*  SR_ClipUtilities_h  */