glutess File Reference

#include "_tess"
#include "mesh"
#include "normal"
#include "sweep"
#include "tessmono"
#include "render"
#include "undef"

Include dependency graph for glutess:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	tools_glutess_glutess
#define	GLU_TESS_DEFAULT_TOLERANCE   0.0
#define	GLU_TESS_MESH   100112 /* void (*)(GLUmesh *mesh) */
#define	RequireState(tess, s)   if( tess->state != s ) static_GotoState(tess,s)

Functions
GLUAPI GLUtesselator *GLUAPIENTRY	gluNewTess (void)
GLUAPI void GLUAPIENTRY	gluDeleteTess (GLUtesselator *tess)
GLUAPI void GLUAPIENTRY	gluTessBeginContour (GLUtesselator *tess)
GLUAPI void GLUAPIENTRY	gluTessBeginPolygon (GLUtesselator *tess, GLUvoid *data)
GLUAPI void GLUAPIENTRY	gluTessCallback (GLUtesselator *tess, GLUenum which, _GLUfuncptr CallBackFunc)
GLUAPI void GLUAPIENTRY	gluTessEndContour (GLUtesselator *tess)
GLUAPI void GLUAPIENTRY	gluTessEndPolygon (GLUtesselator *tess)
GLUAPI void GLUAPIENTRY	gluTessNormal (GLUtesselator *tess, GLUdouble valueX, GLUdouble valueY, GLUdouble valueZ)
GLUAPI void GLUAPIENTRY	gluTessProperty (GLUtesselator *tess, GLUenum which, GLUdouble data)
GLUAPI void GLUAPIENTRY	gluTessVertex (GLUtesselator *tess, GLUdouble *location, GLUvoid *data)
inline void GLUAPIENTRY	static_noBegin (GLUenum)
inline void GLUAPIENTRY	static_noEdgeFlag (GLUboolean)
inline void GLUAPIENTRY	static_noVertex (void *)
inline void GLUAPIENTRY	static_noEnd (void)
inline void GLUAPIENTRY	static_noError (GLUenum)
inline void GLUAPIENTRY	static_noCombine (GLUdouble[3], void *[4], GLUfloat[4], void **)
inline void GLUAPIENTRY	static_noMesh (GLUmesh *)
void GLUAPIENTRY	__gl_noBeginData (GLUenum, void *)
void GLUAPIENTRY	__gl_noEdgeFlagData (GLUboolean, void *)
void GLUAPIENTRY	__gl_noVertexData (void *, void *)
void GLUAPIENTRY	__gl_noEndData (void *)
void GLUAPIENTRY	__gl_noErrorData (GLUenum, void *)
void GLUAPIENTRY	__gl_noCombineData (GLUdouble[3], void *[4], GLUfloat[4], void **, void *)
size_t	MAX_FAST_ALLOC ()
inline void	static_MakeDormant (GLUtesselator *tess)
inline void	static_GotoState (GLUtesselator *tess, enum TessState newState)
void GLUAPIENTRY	gluGetTessProperty (GLUtesselator *tess, GLUenum which, GLUdouble *value)
void GLUAPIENTRY	gluTessCallback_GLU_TESS_VERTEX_DATA (GLUtesselator *tess, void(GLUAPIENTRY *a_fn)(void *, void *))
void GLUAPIENTRY	gluTessCallback_GLU_TESS_BEGIN_DATA (GLUtesselator *tess, void(GLUAPIENTRY *a_fn)(GLUenum, void *))
void GLUAPIENTRY	gluTessCallback_GLU_TESS_END_DATA (GLUtesselator *tess, void(GLUAPIENTRY *a_fn)(void *))
void GLUAPIENTRY	gluTessCallback_GLU_TESS_ERROR_DATA (GLUtesselator *tess, void(GLUAPIENTRY *a_fn)(GLUenum, void *))
void GLUAPIENTRY	gluTessCallback_GLU_TESS_COMBINE_DATA (GLUtesselator *tess, void(GLUAPIENTRY *a_fn)(GLUdouble[3], void *[4], GLUfloat[4], void **, void *))
inline int	static_AddVertex (GLUtesselator *tess, GLUdouble coords[3], void *data)
inline void	static_CacheVertex (GLUtesselator *tess, GLUdouble coords[3], void *data)
inline int	static_EmptyCache (GLUtesselator *tess)
void GLUAPIENTRY	gluTessVertex (GLUtesselator *tess, GLUdouble coords[3], void *data)

Macro Definition Documentation

GLU_TESS_DEFAULT_TOLERANCE

#define GLU_TESS_DEFAULT_TOLERANCE   0.0

Definition at line 26 of file glutess.

GLU_TESS_MESH

#define GLU_TESS_MESH   100112 /* void (*)(GLUmesh *mesh) */

Definition at line 27 of file glutess.

RequireState

#define RequireState	(		tess,
			s
	)		if( tess->state != s ) static_GotoState(tess,s)

Definition at line 119 of file glutess.

tools_glutess_glutess

#define tools_glutess_glutess

Definition at line 4 of file glutess.

Function Documentation

__gl_noBeginData()

void GLUAPIENTRY __gl_noBeginData ( GLUenum  , void *    )

inline

Definition at line 39 of file glutess.

{}

__gl_noCombineData()

void GLUAPIENTRY __gl_noCombineData ( GLUdouble  [3], void *  [4], GLUfloat  [4], void **  , void *    )

inline

Definition at line 44 of file glutess.

                                       {}

__gl_noEdgeFlagData()

void GLUAPIENTRY __gl_noEdgeFlagData ( GLUboolean  , void *    )

inline

Definition at line 40 of file glutess.

{}

__gl_noEndData()

void GLUAPIENTRY __gl_noEndData ( void *  )

inline

Definition at line 42 of file glutess.

{}

__gl_noErrorData()

void GLUAPIENTRY __gl_noErrorData ( GLUenum  , void *    )

inline

Definition at line 43 of file glutess.

{}

__gl_noVertexData()

void GLUAPIENTRY __gl_noVertexData ( void *  , void *    )

inline

Definition at line 41 of file glutess.

{}

gluDeleteTess()

void GLUAPIENTRY gluDeleteTess ( GLUtesselator *  tess )

inline

Definition at line 160 of file glutess.

{
  RequireState( tess, T_DORMANT );
  memFree( tess );
}

gluGetTessProperty()

void GLUAPIENTRY gluGetTessProperty ( GLUtesselator *  tess, GLUenum  which, GLUdouble *  value  )

inline

Definition at line 208 of file glutess.

{
   switch (which) {
   case GLU_TESS_TOLERANCE:
      /* tolerance should be in range [0..1] */
      assert(0.0 <= tess->relTolerance && tess->relTolerance <= 1.0);
      *value= tess->relTolerance;
      break;
   case GLU_TESS_WINDING_RULE:
      assert(tess->windingRule == GLU_TESS_WINDING_ODD ||
         tess->windingRule == GLU_TESS_WINDING_NONZERO ||
         tess->windingRule == GLU_TESS_WINDING_POSITIVE ||
         tess->windingRule == GLU_TESS_WINDING_NEGATIVE ||
         tess->windingRule == GLU_TESS_WINDING_ABS_GEQ_TWO);
      *value= tess->windingRule;
      break;
   case GLU_TESS_BOUNDARY_ONLY:
      assert(tess->boundaryOnly == TOOLS_GLU_TRUE || tess->boundaryOnly == TOOLS_GLU_FALSE);
      *value= tess->boundaryOnly;
      break;
   default:
      *value= 0.0;
      CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM );
      break;
   }
} /* gluGetTessProperty() */

gluNewTess()

GLUAPI GLUtesselator* GLUAPIENTRY gluNewTess

(

void

)

Definition at line 59 of file glutess.

{
  GLUtesselator *tess;
 
  /* Only initialize fields which can be changed by the api.  Other fields
   * are initialized where they are used.
   */
 
  if (memInit( MAX_FAST_ALLOC() ) == 0) {
     return 0;          /* out of memory */
  }
  tess = (GLUtesselator *)memAlloc( sizeof( GLUtesselator ));
  if (tess == NULL) {
     return 0;          /* out of memory */
  }
 
  tess->state = T_DORMANT;
 
  tess->normal[0] = 0;
  tess->normal[1] = 0;
  tess->normal[2] = 0;
 
  tess->relTolerance = GLU_TESS_DEFAULT_TOLERANCE;
  tess->windingRule = GLU_TESS_WINDING_ODD;
  tess->flagBoundary = TOOLS_GLU_FALSE;
  tess->boundaryOnly = TOOLS_GLU_FALSE;
 
  tess->callBegin = &static_noBegin;
  tess->callEdgeFlag = &static_noEdgeFlag;
  tess->callVertex = &static_noVertex;
  tess->callEnd = &static_noEnd;
 
  tess->callError = &static_noError;
  tess->callCombine = &static_noCombine;
  tess->callMesh = &static_noMesh;
 
  tess->callBeginData= &__gl_noBeginData;
  tess->callEdgeFlagData= &__gl_noEdgeFlagData;
  tess->callVertexData= &__gl_noVertexData;
  tess->callEndData= &__gl_noEndData;
  tess->callErrorData= &__gl_noErrorData;
  tess->callCombineData= &__gl_noCombineData;
 
  tess->polygonData= NULL;
 
  return tess;
}

gluTessBeginContour()

void GLUAPIENTRY gluTessBeginContour ( GLUtesselator *  tess )

inline

Definition at line 469 of file glutess.

{
  RequireState( tess, T_IN_POLYGON );
 
  tess->state = T_IN_CONTOUR;
  tess->lastEdge = NULL;
  if( tess->cacheCount > 0 ) {
    /* Just set a flag so we don't get confused by empty contours
     * -- these can be generated accidentally with the obsolete
     * NextContour() interface.
     */
    tess->emptyCache = TOOLS_GLU_TRUE;
  }
}

gluTessBeginPolygon()

void GLUAPIENTRY gluTessBeginPolygon ( GLUtesselator *  tess, GLUvoid *  data  )

inline

Definition at line 455 of file glutess.

{
  RequireState( tess, T_DORMANT );
 
  tess->state = T_IN_POLYGON;
  tess->cacheCount = 0;
  tess->emptyCache = TOOLS_GLU_FALSE;
  tess->mesh = NULL;
 
  tess->polygonData= data;
}

gluTessCallback()

void GLUAPIENTRY gluTessCallback ( GLUtesselator *  tess, GLUenum  which, _GLUfuncptr  CallBackFunc  )

inline

Definition at line 269 of file glutess.

{
  switch( which ) {
  case GLU_TESS_BEGIN:
    tess->callBegin = (fn == NULL) ? &static_noBegin : (void (GLUAPIENTRY *)(GLUenum)) fn;
    return;
  case GLU_TESS_BEGIN_DATA:
    tess->callBeginData = (fn == NULL) ?
    &__gl_noBeginData : (void (GLUAPIENTRY *)(GLUenum, void *)) fn;
    return;
  case GLU_TESS_EDGE_FLAG:
    tess->callEdgeFlag = (fn == NULL) ? &static_noEdgeFlag :
                    (void (GLUAPIENTRY *)(GLUboolean)) fn;
    /* If the client wants boundary edges to be flagged,
     * we render everything as separate triangles (no strips or fans).
     */
    tess->flagBoundary = (fn != NULL);
    return;
  case GLU_TESS_EDGE_FLAG_DATA:
    tess->callEdgeFlagData= (fn == NULL) ?
    &__gl_noEdgeFlagData : (void (GLUAPIENTRY *)(GLUboolean, void *)) fn;
    /* If the client wants boundary edges to be flagged,
     * we render everything as separate triangles (no strips or fans).
     */
    tess->flagBoundary = (fn != NULL);
    return;
  case GLU_TESS_VERTEX:
    tess->callVertex = (fn == NULL) ? &static_noVertex :
                      (void (GLUAPIENTRY *)(void *)) fn;
    return;
  case GLU_TESS_VERTEX_DATA:
    tess->callVertexData = (fn == NULL) ?
    &__gl_noVertexData : (void (GLUAPIENTRY *)(void *, void *)) fn;
    return;
  case GLU_TESS_END:
    tess->callEnd = (fn == NULL) ? &static_noEnd : (void (GLUAPIENTRY *)(void)) fn;
    return;
  case GLU_TESS_END_DATA:
    tess->callEndData = (fn == NULL) ? &__gl_noEndData :
                       (void (GLUAPIENTRY *)(void *)) fn;
    return;
  case GLU_TESS_ERROR:
    tess->callError = (fn == NULL) ? &static_noError : (void (GLUAPIENTRY *)(GLUenum)) fn;
    return;
  case GLU_TESS_ERROR_DATA:
    tess->callErrorData = (fn == NULL) ?
    &__gl_noErrorData : (void (GLUAPIENTRY *)(GLUenum, void *)) fn;
    return;
  case GLU_TESS_COMBINE:
    tess->callCombine = (fn == NULL) ? &static_noCombine :
    (void (GLUAPIENTRY *)(GLUdouble [3],void *[4], GLUfloat [4], void ** )) fn;
    return;
  case GLU_TESS_COMBINE_DATA:
    tess->callCombineData = (fn == NULL) ? &__gl_noCombineData :
                       (void (GLUAPIENTRY *)(GLUdouble [3],
                             void *[4],
                             GLUfloat [4],
                             void **,
                             void *)) fn;
    return;
  case GLU_TESS_MESH:
    tess->callMesh = (fn == NULL) ? &static_noMesh : (void (GLUAPIENTRY *)(GLUmesh *)) fn;
    return;
  default:
    CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM );
    return;
  }
}

gluTessCallback_GLU_TESS_BEGIN_DATA()

void GLUAPIENTRY gluTessCallback_GLU_TESS_BEGIN_DATA ( GLUtesselator *  tess, void(GLUAPIENTRY *a_fn)(GLUenum, void *)    )

inline

Definition at line 250 of file glutess.

                                                                                                   {
  tess->callBeginData = (a_fn == NULL) ? &__gl_noBeginData : a_fn;
}

gluTessCallback_GLU_TESS_COMBINE_DATA()

void GLUAPIENTRY gluTessCallback_GLU_TESS_COMBINE_DATA ( GLUtesselator *  tess, void(GLUAPIENTRY *a_fn)(GLUdouble[3], void *[4], GLUfloat[4], void **, void *)    )

inline

Definition at line 262 of file glutess.

                                                                                                                     {
  tess->callCombineData = (a_fn == NULL) ? &__gl_noCombineData : a_fn;
}

gluTessCallback_GLU_TESS_END_DATA()

void GLUAPIENTRY gluTessCallback_GLU_TESS_END_DATA ( GLUtesselator *  tess, void(GLUAPIENTRY *a_fn)(void *)    )

inline

Definition at line 254 of file glutess.

                                                                                        {
  tess->callEndData = (a_fn == NULL) ? &__gl_noEndData : a_fn;
}

gluTessCallback_GLU_TESS_ERROR_DATA()

void GLUAPIENTRY gluTessCallback_GLU_TESS_ERROR_DATA ( GLUtesselator *  tess, void(GLUAPIENTRY *a_fn)(GLUenum, void *)    )

inline

Definition at line 258 of file glutess.

                                                                                                   {
  tess->callErrorData = (a_fn == NULL) ? &__gl_noErrorData : a_fn;
}

gluTessCallback_GLU_TESS_VERTEX_DATA()

void GLUAPIENTRY gluTessCallback_GLU_TESS_VERTEX_DATA ( GLUtesselator *  tess, void(GLUAPIENTRY *a_fn)(void *, void *)    )

inline

Definition at line 246 of file glutess.

                                                                                                   {
  tess->callVertexData = (a_fn == NULL) ? &__gl_noVertexData : a_fn;
}

gluTessEndContour()

void GLUAPIENTRY gluTessEndContour ( GLUtesselator *  tess )

inline

Definition at line 486 of file glutess.

{
  RequireState( tess, T_IN_CONTOUR );
  tess->state = T_IN_POLYGON;
}

gluTessEndPolygon()

void GLUAPIENTRY gluTessEndPolygon ( GLUtesselator *  tess )

inline

Definition at line 493 of file glutess.

{
  GLUmesh *mesh;
 
  if (setjmp(tess->env) != 0) { 
     /* come back here if out of memory */
     CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY );
     return;
  }
 
  RequireState( tess, T_IN_POLYGON );
  tess->state = T_DORMANT;
 
  if( tess->mesh == NULL ) {
    if( ! tess->flagBoundary && tess->callMesh == &static_noMesh ) {
 
      /* Try some special code to make the easy cases go quickly
       * (eg. convex polygons).  This code does NOT handle multiple contours,
       * intersections, edge flags, and of course it does not generate
       * an explicit mesh either.
       */
      if( __gl_renderCache( tess )) {
    tess->polygonData= NULL;
    return;
      }
    }
    if ( !static_EmptyCache( tess ) ) longjmp(tess->env,1); /* could've used a label*/
  }
 
  /* Determine the polygon normal and project vertices onto the plane
   * of the polygon.
   */
  __gl_projectPolygon( tess );
 
  /* __gl_computeInterior( tess ) computes the planar arrangement specified
   * by the given contours, and further subdivides this arrangement
   * into regions.  Each region is marked "inside" if it belongs
   * to the polygon, according to the rule given by tess->windingRule.
   * Each interior region is guaranteed be monotone.
   */
  if ( !__gl_computeInterior( tess ) ) {
     longjmp(tess->env,1);  /* could've used a label */
  }
 
  mesh = tess->mesh;
  if( ! tess->fatalError ) {
    int rc = 1;
 
    /* If the user wants only the boundary contours, we throw away all edges
     * except those which separate the interior from the exterior.
     * Otherwise we tessellate all the regions marked "inside".
     */
    if( tess->boundaryOnly ) {
      rc = __gl_meshSetWindingNumber( mesh, 1, TOOLS_GLU_TRUE );
    } else {
      rc = __gl_meshTessellateInterior( mesh );
    }
    if (rc == 0) longjmp(tess->env,1);  /* could've used a label */
 
    __gl_meshCheckMesh( mesh );
 
    if( tess->callBegin != &static_noBegin || tess->callEnd != &static_noEnd
       || tess->callVertex != &static_noVertex || tess->callEdgeFlag != &static_noEdgeFlag
       || tess->callBeginData != &__gl_noBeginData
       || tess->callEndData != &__gl_noEndData
       || tess->callVertexData != &__gl_noVertexData
       || tess->callEdgeFlagData != &__gl_noEdgeFlagData )
    {
      if( tess->boundaryOnly ) {
    __gl_renderBoundary( tess, mesh );  /* output boundary contours */
      } else {
    __gl_renderMesh( tess, mesh );     /* output strips and fans */
      }
    }
    if( tess->callMesh != &static_noMesh ) {
 
      /* Throw away the exterior faces, so that all faces are interior.
       * This way the user doesn't have to check the "inside" flag,
       * and we don't need to even reveal its existence.  It also leaves
       * the freedom for an implementation to not generate the exterior
       * faces in the first place.
       */
      __gl_meshDiscardExterior( mesh );
      (*tess->callMesh)( mesh );        /* user wants the mesh itself */
      tess->mesh = NULL;
      tess->polygonData= NULL;
      return;
    }
  }
  __gl_meshDeleteMesh( mesh );
  tess->polygonData= NULL;
  tess->mesh = NULL;
}

gluTessNormal()

void GLUAPIENTRY gluTessNormal ( GLUtesselator *  tess, GLUdouble  valueX, GLUdouble  valueY, GLUdouble  valueZ  )

inline

Definition at line 236 of file glutess.

{
  tess->normal[0] = x;
  tess->normal[1] = y;
  tess->normal[2] = z;
}

gluTessProperty()

void GLUAPIENTRY gluTessProperty ( GLUtesselator *  tess, GLUenum  which, GLUdouble  data  )

inline

Definition at line 168 of file glutess.

{
  GLUenum windingRule;
 
  switch( which ) {
  case GLU_TESS_TOLERANCE:
    if( value < 0.0 || value > 1.0 ) break;
    tess->relTolerance = value;
    return;
 
  case GLU_TESS_WINDING_RULE:
    windingRule = (GLUenum) value;
    if( windingRule != value ) break;   /* not an integer */
 
    switch( windingRule ) {
    case GLU_TESS_WINDING_ODD:
    case GLU_TESS_WINDING_NONZERO:
    case GLU_TESS_WINDING_POSITIVE:
    case GLU_TESS_WINDING_NEGATIVE:
    case GLU_TESS_WINDING_ABS_GEQ_TWO:
      tess->windingRule = windingRule;
      return;
    default:
      break;
    }
    return; //G.Barrand : add : seen with g++-8.1.0.
 
  case GLU_TESS_BOUNDARY_ONLY:
    tess->boundaryOnly = (value != 0);
    return;
 
  default:
    CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM );
    return;
  }
  CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_VALUE );
}

gluTessVertex() [1/2]

GLUAPI void GLUAPIENTRY gluTessVertex	(	GLUtesselator *	tess,
		GLUdouble *	location,
		GLUvoid *	data
	)

gluTessVertex() [2/2]

void GLUAPIENTRY gluTessVertex ( GLUtesselator *  tess, GLUdouble  coords[3], void *  data  )

inline

Definition at line 408 of file glutess.

{
  int i, tooLarge = TOOLS_GLU_FALSE;
  GLUdouble x, clamped[3];
 
  RequireState( tess, T_IN_CONTOUR );
 
  if( tess->emptyCache ) {
    if ( !static_EmptyCache( tess ) ) {
       CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY );
       return;
    }
    tess->lastEdge = NULL;
  }
  for( i = 0; i < 3; ++i ) {
    x = coords[i];
    if( x < - GLU_TESS_MAX_COORD ) {
      x = - GLU_TESS_MAX_COORD;
      tooLarge = TOOLS_GLU_TRUE;
    }
    if( x > GLU_TESS_MAX_COORD ) {
      x = GLU_TESS_MAX_COORD;
      tooLarge = TOOLS_GLU_TRUE;
    }
    clamped[i] = x;
  }
  if( tooLarge ) {
    CALL_ERROR_OR_ERROR_DATA( GLU_TESS_COORD_TOO_LARGE );
  }
 
  if( tess->mesh == NULL ) {
    if( tess->cacheCount < GLU_TESS_MAX_CACHE ) {
      static_CacheVertex( tess, clamped, data );
      return;
    }
    if ( !static_EmptyCache( tess ) ) {
       CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY );
       return;
    }
  }
  if ( !static_AddVertex( tess, clamped, data ) ) {
       CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY );
  }
}

MAX_FAST_ALLOC()

size_t MAX_FAST_ALLOC ( )

inline

Definition at line 53 of file glutess.

                               {
  static const size_t s_value = (GLU_MAX(sizeof(EdgePair),GLU_MAX(sizeof(GLUvertex),sizeof(GLUface))));
  return s_value;
}

static_AddVertex()

inline int static_AddVertex	(	GLUtesselator *	tess,
		GLUdouble	coords[3],
		void *	data
	)

Definition at line 338 of file glutess.

{
  GLUhalfEdge *e;
 
  e = tess->lastEdge;
  if( e == NULL ) {
    /* Make a self-loop (one vertex, one edge). */
 
    e = __gl_meshMakeEdge( tess->mesh );
    if (e == NULL) return 0;
    if ( !__gl_meshSplice( e, e->Sym ) ) return 0;
  } else {
    /* Create a new vertex and edge which immediately follow e
     * in the ordering around the left face.
     */
    if (__gl_meshSplitEdge( e ) == NULL) return 0;
    e = e->Lnext;
  }
 
  /* The new vertex is now e->Org. */
  e->Org->data = data;
  e->Org->coords[0] = coords[0];
  e->Org->coords[1] = coords[1];
  e->Org->coords[2] = coords[2];
 
  /* The winding of an edge says how the winding number changes as we
   * cross from the edge''s right face to its left face.  We add the
   * vertices in such an order that a CCW contour will add +1 to
   * the winding number of the region inside the contour.
   */
  e->winding = 1;
  e->Sym->winding = -1;
 
  tess->lastEdge = e;
 
  return 1;
}

static_CacheVertex()

inline void static_CacheVertex	(	GLUtesselator *	tess,
		GLUdouble	coords[3],
		void *	data
	)

Definition at line 377 of file glutess.

{
  CachedVertex *v = &tess->cache[tess->cacheCount];
 
  v->data = data;
  v->coords[0] = coords[0];
  v->coords[1] = coords[1];
  v->coords[2] = coords[2];
  ++tess->cacheCount;
}

static_EmptyCache()

inline int static_EmptyCache

(

GLUtesselator *

tess

)

Definition at line 389 of file glutess.

{
  CachedVertex *v = tess->cache;
  CachedVertex *vLast;
 
  tess->mesh = __gl_meshNewMesh();
  if (tess->mesh == NULL) return 0;
 
  for( vLast = v + tess->cacheCount; v < vLast; ++v ) {
    if ( !static_AddVertex( tess, v->coords, v->data ) ) return 0;
  }
  tess->cacheCount = 0;
  tess->emptyCache = TOOLS_GLU_FALSE;
 
  return 1;
}

static_GotoState()

inline void static_GotoState	(	GLUtesselator *	tess,
		enum TessState	newState
	)

Definition at line 121 of file glutess.

{
  while( tess->state != newState ) {
    /* We change the current state one level at a time, to get to
     * the desired state.
     */
    if( tess->state < newState ) {
      switch( tess->state ) {
      case T_DORMANT:
    CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_BEGIN_POLYGON );
    gluTessBeginPolygon( tess, NULL );
    break;
      case T_IN_POLYGON:
    CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_BEGIN_CONTOUR );
    gluTessBeginContour( tess );
    break;
      default:
     ;
      }
    } else {
      switch( tess->state ) {
      case T_IN_CONTOUR:
    CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_END_CONTOUR );
    gluTessEndContour( tess );
    break;
      case T_IN_POLYGON:
    CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_END_POLYGON );
    /* gluTessEndPolygon( tess ) is too much work! */
    static_MakeDormant( tess );
    break;
      default:
     ;
      }
    }
  }
}

static_MakeDormant()

inline void static_MakeDormant

(

GLUtesselator *

tess

)

Definition at line 107 of file glutess.

{
  /* Return the tessellator to its original dormant state. */
 
  if( tess->mesh != NULL ) {
    __gl_meshDeleteMesh( tess->mesh );
  }
  tess->state = T_DORMANT;
  tess->lastEdge = NULL;
  tess->mesh = NULL;
}

static_noBegin()

inline void GLUAPIENTRY static_noBegin

(

GLUenum

)

Definition at line 29 of file glutess.

{}

static_noCombine()

inline void GLUAPIENTRY static_noCombine	(	GLUdouble	[3],
		void *	[4],
		GLUfloat	[4],
		void **
	)

Definition at line 34 of file glutess.

                                                           {}

static_noEdgeFlag()

inline void GLUAPIENTRY static_noEdgeFlag

(

GLUboolean

)

Definition at line 30 of file glutess.

{}

static_noEnd()

inline void GLUAPIENTRY static_noEnd

(

void

)

Definition at line 32 of file glutess.

{}

static_noError()

inline void GLUAPIENTRY static_noError

(

GLUenum

)

Definition at line 33 of file glutess.

{}

static_noMesh()

inline void GLUAPIENTRY static_noMesh

(

GLUmesh *

)

Definition at line 36 of file glutess.

{}

static_noVertex()

inline void GLUAPIENTRY static_noVertex

(

void *

)

Definition at line 31 of file glutess.

{}