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-rw-r--r--src/glu/mesa/tess.c61
1 files changed, 37 insertions, 24 deletions
diff --git a/src/glu/mesa/tess.c b/src/glu/mesa/tess.c
index 36197619306..9348f96f7ac 100644
--- a/src/glu/mesa/tess.c
+++ b/src/glu/mesa/tess.c
@@ -1,21 +1,21 @@
-/* $Id: tess.c,v 1.9 1999/09/17 06:34:46 gareth Exp $ */
+/* $Id: tess.c,v 1.10 1999/10/03 00:56:07 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
- *
+ *
* Copyright (C) 1999 Brian Paul All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
@@ -26,6 +26,9 @@
/*
* $Log: tess.c,v $
+ * Revision 1.10 1999/10/03 00:56:07 gareth
+ * Added tessellation winding rule support. Misc bug fixes.
+ *
* Revision 1.9 1999/09/17 06:34:46 gareth
* Winding rule updates.
*
@@ -124,6 +127,8 @@ GLUtesselator* GLAPIENTRY gluNewTess( void )
tobj->grid = NULL;
#endif
tobj->cvc_lists = NULL;
+ tobj->user_data = NULL;
+ tobj->label = 0;
tobj->error = GLU_NO_ERROR;
@@ -143,7 +148,7 @@ void GLAPIENTRY gluDeleteTess( GLUtesselator *tobj )
{
/* gluEndPolygon was not called. */
DEBUGP( 0, ( "*** error 3 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR3, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR3 );
}
/* Delete all internal structures. */
@@ -167,11 +172,13 @@ void GLAPIENTRY gluTessBeginPolygon( GLUtesselator *tobj, void *polygon_data )
{
/* gluEndPolygon was not called. */
DEBUGP( 0, ( "*** error 3 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR3, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR3 );
tess_cleanup( tobj );
}
+ tobj->user_data = polygon_data;
+
DEBUGP( 3, ( "<- gluTessBeginPolygon( tobj:%p data:%p )\n", tobj, polygon_data ) );
}
@@ -188,7 +195,7 @@ void GLAPIENTRY gluTessBeginContour( GLUtesselator *tobj )
{
/* gluTessEndContour was not called. */
DEBUGP( 0, ( "*** error 4 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR4, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR4 );
return;
}
@@ -196,7 +203,7 @@ void GLAPIENTRY gluTessBeginContour( GLUtesselator *tobj )
(tess_contour_t *) malloc( sizeof(tess_contour_t) ) ) == NULL )
{
DEBUGP( 0, ( "*** memory error ***\n" ) );
- tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
+ tess_error_callback( tobj, GLU_OUT_OF_MEMORY );
return;
}
@@ -241,7 +248,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
{
/* gluTessBeginContour was not called. */
DEBUGP( 0, ( "*** error 2 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR2, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR2 );
return;
}
@@ -255,7 +262,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
malloc( sizeof(tess_vertex_t) ) ) == NULL )
{
DEBUGP( 0, ( "*** memory error ***\n" ) );
- tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
+ tess_error_callback( tobj, GLU_OUT_OF_MEMORY );
return;
}
@@ -271,6 +278,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
last_vertex->angle = 0.0;
last_vertex->label = 0;
+ last_vertex->mark = 0;
last_vertex->next = NULL;
last_vertex->previous = NULL;
@@ -285,7 +293,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
malloc( sizeof(tess_vertex_t) ) ) == NULL )
{
DEBUGP( 0, ( "*** memory error ***\n" ) );
- tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
+ tess_error_callback( tobj, GLU_OUT_OF_MEMORY );
return;
}
@@ -298,6 +306,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
vertex->angle = 0.0;
vertex->label = 0;
+ vertex->mark = 0;
vertex->next = NULL;
vertex->previous = last_vertex;
@@ -326,7 +335,7 @@ void GLAPIENTRY gluTessEndContour( GLUtesselator *tobj )
{
/* gluTessBeginContour was not called. */
DEBUGP( 0, ( "*** error 2 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR2, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR2 );
return;
}
@@ -357,7 +366,7 @@ void GLAPIENTRY gluTessEndPolygon( GLUtesselator *tobj )
{
/* gluTessBeginPolygon was not called. */
DEBUGP( 0, ( "*** error 1 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR1, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR1 );
return;
}
TESS_CHECK_ERRORS( tobj );
@@ -590,12 +599,12 @@ void GLAPIENTRY gluEndPolygon( GLUtesselator *tobj )
* tess_error_callback
*
* Internal error handler. Call the user-registered error callback.
+ *
+ * 2nd arg changed from 'errno' to 'errnum' since MSVC defines errnum as
+ * a macro (of all things) and thus breaks the build -tjump
*****************************************************************************/
-/* 2nd arg changed from 'errno' to 'errnum' since MSVC defines errnum as */
-/* a macro (of all things) and thus breaks the build -tjump */
-
-void tess_error_callback( GLUtesselator *tobj, GLenum errnum, void *data )
+void tess_error_callback( GLUtesselator *tobj, GLenum errnum )
{
if ( tobj->error == GLU_NO_ERROR )
{
@@ -604,7 +613,7 @@ void tess_error_callback( GLUtesselator *tobj, GLenum errnum, void *data )
if ( tobj->callbacks.errorData != NULL )
{
- ( tobj->callbacks.errorData )( errnum, data );
+ ( tobj->callbacks.errorData )( errnum, tobj->user_data );
}
else if ( tobj->callbacks.error != NULL )
{
@@ -737,7 +746,7 @@ static GLenum find_normal( GLUtesselator *tobj )
if ( vb == va ) {
DEBUGP( 0, ( "*** error 7 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR7, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR7 );
}
SUB_3V( a, vb->coords, va->coords );
@@ -762,7 +771,7 @@ static GLenum find_normal( GLUtesselator *tobj )
}
}
DEBUGP( 0, ( "*** error 7 ***\n" ) );
- tess_error_callback( tobj, GLU_TESS_ERROR7, NULL );
+ tess_error_callback( tobj, GLU_TESS_ERROR7 );
return GLU_ERROR;
}
@@ -963,7 +972,9 @@ static void delete_all_contours( GLUtesselator *tobj )
free( vertex );
vertex = next_vertex;
}
- free( vertex );
+ if ( vertex ) {
+ free( vertex );
+ }
next_contour = current->next;
free( current );
@@ -981,11 +992,12 @@ static void delete_all_contours( GLUtesselator *tobj )
+#ifdef DEBUG
+
/*****************************************************************************
* Debugging output
*****************************************************************************/
-#ifdef DEBUG
-int tess_debug_level = 0;
+int tess_debug_level = -1;
int vdebugstr( char *format_str, ... )
{
@@ -996,4 +1008,5 @@ int vdebugstr( char *format_str, ... )
va_end( ap );
return 0;
}
+
#endif
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