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Diffstat (limited to 'src/glu/mesa/tess.c')
-rw-r--r--src/glu/mesa/tess.c108
1 files changed, 83 insertions, 25 deletions
diff --git a/src/glu/mesa/tess.c b/src/glu/mesa/tess.c
index fc24fb99e3d..166f250bebc 100644
--- a/src/glu/mesa/tess.c
+++ b/src/glu/mesa/tess.c
@@ -1,4 +1,4 @@
-/* $Id: tess.c,v 1.5 1999/09/14 05:37:58 gareth Exp $ */
+/* $Id: tess.c,v 1.6 1999/09/15 02:11:10 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -26,6 +26,9 @@
/*
* $Log: tess.c,v $
+ * Revision 1.6 1999/09/15 02:11:10 gareth
+ * Fixed vector macro calls, specifically COPY_3V params.
+ *
* Revision 1.5 1999/09/14 05:37:58 gareth
* Fixed legacy gluNextContour impact on gluTessEndContour.
*
@@ -66,9 +69,6 @@ static void delete_all_contours( GLUtesselator *tobj );
#define TESS_CHECK_ERRORS(t) if ( (t)->error != GLU_NO_ERROR ) goto cleanup
-int tess_debug_level = 0;
-GLdouble origin[3] = { 0.0, 0.0, 0.0 };
-
/*****************************************************************************
*
@@ -84,6 +84,8 @@ GLUtesselator* GLAPIENTRY gluNewTess( void )
{
GLUtesselator *tobj;
+ DEBUGP( 3, ( "-> gluNewTess()\n" ) );
+
if ( ( tobj = (GLUtesselator *)
malloc( sizeof(GLUtesselator) ) ) == NULL )
{
@@ -115,6 +117,7 @@ GLUtesselator* GLAPIENTRY gluNewTess( void )
tobj->error = GLU_NO_ERROR;
+ DEBUGP( 3, ( "<- gluNewTess() tobj:%p\n", tobj ) );
return tobj;
}
@@ -124,15 +127,20 @@ GLUtesselator* GLAPIENTRY gluNewTess( void )
*****************************************************************************/
void GLAPIENTRY gluDeleteTess( GLUtesselator *tobj )
{
+ DEBUGP( 3, ( "-> gluDeleteTess( tobj:%p )\n", tobj ) );
+
if ( tobj->error == GLU_NO_ERROR && ( tobj->contour_count > 0 ) )
{
- /* Was gluEndPolygon called? */
+ /* gluEndPolygon was not called. */
+ DEBUGP( 0, ( "*** error 3 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR3, NULL );
}
- /* Delete all internal structures */
+ /* Delete all internal structures. */
tess_cleanup( tobj );
free( tobj );
+
+ DEBUGP( 3, ( "<- gluDeleteTess()\n" ) );
}
@@ -141,15 +149,20 @@ void GLAPIENTRY gluDeleteTess( GLUtesselator *tobj )
*****************************************************************************/
void GLAPIENTRY gluTessBeginPolygon( GLUtesselator *tobj, void *polygon_data )
{
+ DEBUGP( 3, ( "-> gluTessBeginPolygon( tobj:%p data:%p )\n", tobj, polygon_data ) );
+
tobj->error = GLU_NO_ERROR;
if ( tobj->current_contour != NULL )
{
- /* gluEndPolygon was not called */
+ /* gluEndPolygon was not called. */
+ DEBUGP( 0, ( "*** error 3 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR3, NULL );
tess_cleanup( tobj );
}
+
+ DEBUGP( 3, ( "<- gluTessBeginPolygon( tobj:%p data:%p )\n", tobj, polygon_data ) );
}
@@ -158,11 +171,13 @@ void GLAPIENTRY gluTessBeginPolygon( GLUtesselator *tobj, void *polygon_data )
*****************************************************************************/
void GLAPIENTRY gluTessBeginContour( GLUtesselator *tobj )
{
+ DEBUGP( 3, ( " -> gluTessBeginContour( tobj:%p )\n", tobj ) );
TESS_CHECK_ERRORS( tobj );
if ( tobj->current_contour != NULL )
{
/* gluTessEndContour was not called. */
+ DEBUGP( 0, ( "*** error 4 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR4, NULL );
return;
}
@@ -170,11 +185,12 @@ void GLAPIENTRY gluTessBeginContour( GLUtesselator *tobj )
if ( ( tobj->current_contour =
(tess_contour_t *) malloc( sizeof(tess_contour_t) ) ) == NULL )
{
+ DEBUGP( 0, ( "*** memory error ***\n" ) );
tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
return;
}
- COPY_3V( tobj->plane.normal, tobj->current_contour->plane.normal );
+ COPY_3V( tobj->current_contour->plane.normal, tobj->plane.normal );
tobj->current_contour->plane.dist = tobj->plane.dist;
tobj->current_contour->vertex_count = 0;
@@ -193,6 +209,7 @@ void GLAPIENTRY gluTessBeginContour( GLUtesselator *tobj )
tobj->current_contour->maxs );
cleanup:
+ DEBUGP( 3, ( " <- gluTessBeginContour( tobj:%p )\n", tobj ) );
return;
}
@@ -206,11 +223,13 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
tess_contour_t *current = tobj->current_contour;
tess_vertex_t *last_vertex;
+ DEBUGP( 3, ( " -> gluTessVertex( tobj:%p coords:(%.2f,%.2f,%.2f) )\n", tobj, coords[0], coords[1], coords[2] ) );
TESS_CHECK_ERRORS( tobj );
if ( current == NULL )
{
/* gluTessBeginContour was not called. */
+ DEBUGP( 0, ( "*** error 2 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR2, NULL );
return;
}
@@ -224,6 +243,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
if ( ( last_vertex = (tess_vertex_t *)
malloc( sizeof(tess_vertex_t) ) ) == NULL )
{
+ DEBUGP( 0, ( "*** memory error ***\n" ) );
tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
return;
}
@@ -250,6 +270,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
if ( ( vertex = (tess_vertex_t *)
malloc( sizeof(tess_vertex_t) ) ) == NULL )
{
+ DEBUGP( 0, ( "*** memory error ***\n" ) );
tess_error_callback( tobj, GLU_OUT_OF_MEMORY, NULL );
return;
}
@@ -271,6 +292,7 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
}
cleanup:
+ DEBUGP( 3, ( " <- gluTessVertex( tobj:%p )\n", tobj ) );
return;
}
@@ -280,11 +302,13 @@ void GLAPIENTRY gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
*****************************************************************************/
void GLAPIENTRY gluTessEndContour( GLUtesselator *tobj )
{
+ DEBUGP( 3, ( " -> gluTessEndContour( tobj:%p )\n", tobj ) );
TESS_CHECK_ERRORS( tobj );
if ( tobj->current_contour == NULL )
{
/* gluTessBeginContour was not called. */
+ DEBUGP( 0, ( "*** error 2 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR2, NULL );
return;
}
@@ -299,6 +323,7 @@ void GLAPIENTRY gluTessEndContour( GLUtesselator *tobj )
}
cleanup:
+ DEBUGP( 3, ( " <- gluTessEndContour( tobj:%p )\n", tobj ) );
return;
}
@@ -308,11 +333,13 @@ void GLAPIENTRY gluTessEndContour( GLUtesselator *tobj )
*****************************************************************************/
void GLAPIENTRY gluTessEndPolygon( GLUtesselator *tobj )
{
+ DEBUGP( 3, ( "-> gluTessEndPolygon( tobj:%p )\n", tobj ) );
TESS_CHECK_ERRORS( tobj );
if ( tobj->current_contour != NULL )
{
/* gluTessBeginPolygon was not called. */
+ DEBUGP( 0, ( "*** error 1 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR1, NULL );
return;
}
@@ -366,6 +393,7 @@ void GLAPIENTRY gluTessEndPolygon( GLUtesselator *tobj )
cleanup:
delete_all_contours( tobj );
+ DEBUGP( 3, ( "<- gluTessEndPolygon( tobj:%p )\n", tobj ) );
}
@@ -431,6 +459,7 @@ void GLAPIENTRY gluTessCallback( GLUtesselator *tobj, GLenum which,
break;
default:
+ DEBUGP( 0, ( " gluTessCallback( tobj:%p which:%d ) invalid enum\n", tobj, which ) );
tobj->error = GLU_INVALID_ENUM;
break;
}
@@ -460,6 +489,7 @@ void GLAPIENTRY gluTessProperty( GLUtesselator *tobj, GLenum which,
break;
default:
+ DEBUGP( 0, ( " gluTessProperty( tobj:%p which:%d ) invalid enum\n", tobj, which ) );
tobj->error = GLU_INVALID_ENUM;
break;
}
@@ -489,6 +519,7 @@ void GLAPIENTRY gluGetTessProperty( GLUtesselator *tobj, GLenum which,
break;
default:
+ DEBUGP( 0, ( " gluGetTessProperty( tobj:%p which:%d ) invalid enum\n", tobj, which ) );
tobj->error = GLU_INVALID_ENUM;
break;
}
@@ -503,6 +534,8 @@ void GLAPIENTRY gluGetTessProperty( GLUtesselator *tobj, GLenum which,
void GLAPIENTRY gluTessNormal( GLUtesselator *tobj, GLdouble x,
GLdouble y, GLdouble z )
{
+ DEBUGP( 3, ( " gluTessNormal( tobj:%p n:(%.2f,%.2f,%.2f)\n", tobj, x, y, z ) );
+
tobj->plane.normal[X] = x;
tobj->plane.normal[Y] = y;
tobj->plane.normal[Z] = z;
@@ -572,21 +605,21 @@ void tess_error_callback( GLUtesselator *tobj, GLenum errno, void *data )
*****************************************************************************/
static void init_callbacks( tess_callbacks_t *callbacks )
{
- callbacks->begin = ( void (GLCALLBACK*)(GLenum) ) NULL;
- callbacks->beginData = ( void (GLCALLBACK*)(GLenum, void *) ) NULL;
- callbacks->edgeFlag = ( void (GLCALLBACK*)(GLboolean) ) NULL;
- callbacks->edgeFlagData = ( void (GLCALLBACK*)(GLboolean, void *) ) NULL;
- callbacks->vertex = ( void (GLCALLBACK*)(void *) ) NULL;
- callbacks->vertexData = ( void (GLCALLBACK*)(void *, void *) ) NULL;
- callbacks->end = ( void (GLCALLBACK*)(void) ) NULL;
- callbacks->endData = ( void (GLCALLBACK*)(void *) ) NULL;
- callbacks->error = ( void (GLCALLBACK*)(GLenum) ) NULL;
- callbacks->errorData = ( void (GLCALLBACK*)(GLenum, void *) ) NULL;
- callbacks->combine = ( void (GLCALLBACK*)(GLdouble [3], void *[4],
- GLfloat [4], void **) ) NULL;
- callbacks->combineData = ( void (GLCALLBACK*)(GLdouble [3], void *[4],
- GLfloat [4], void **,
- void *) ) NULL;
+ callbacks->begin = ( void (GLCALLBACK*)(GLenum) ) NULL;
+ callbacks->beginData = ( void (GLCALLBACK*)(GLenum, void *) ) NULL;
+ callbacks->edgeFlag = ( void (GLCALLBACK*)(GLboolean) ) NULL;
+ callbacks->edgeFlagData = ( void (GLCALLBACK*)(GLboolean, void *) ) NULL;
+ callbacks->vertex = ( void (GLCALLBACK*)(void *) ) NULL;
+ callbacks->vertexData = ( void (GLCALLBACK*)(void *, void *) ) NULL;
+ callbacks->end = ( void (GLCALLBACK*)(void) ) NULL;
+ callbacks->endData = ( void (GLCALLBACK*)(void *) ) NULL;
+ callbacks->error = ( void (GLCALLBACK*)(GLenum) ) NULL;
+ callbacks->errorData = ( void (GLCALLBACK*)(GLenum, void *) ) NULL;
+ callbacks->combine = ( void (GLCALLBACK*)(GLdouble [3], void *[4],
+ GLfloat [4], void **) ) NULL;
+ callbacks->combineData = ( void (GLCALLBACK*)(GLdouble [3], void *[4],
+ GLfloat [4], void **,
+ void *) ) NULL;
}
@@ -595,6 +628,8 @@ static void init_callbacks( tess_callbacks_t *callbacks )
*****************************************************************************/
static void tess_cleanup( GLUtesselator *tobj )
{
+ DEBUGP( 3, ( " -> tess_cleanup( tobj:%p )\n", tobj ) );
+
if ( tobj->current_contour != NULL )
{
delete_current_contour( tobj );
@@ -604,6 +639,8 @@ static void tess_cleanup( GLUtesselator *tobj )
{
delete_all_contours( tobj );
}
+
+ DEBUGP( 3, ( " <- tess_cleanup( tobj:%p )\n", tobj ) );
}
@@ -617,9 +654,13 @@ static GLenum save_current_contour( GLUtesselator *tobj );
static void inspect_current_contour( GLUtesselator *tobj )
{
tess_contour_t *current = tobj->current_contour;
+ GLdouble origin[3] = { 0.0, 0.0, 0.0 };
+
+ DEBUGP( 3, ( " -> inspect_current_contour( tobj:%p )\n", tobj ) );
if ( current->vertex_count < 3 )
{
+ DEBUGP( 3, ( " count %d < 3, deleting\n", current->vertex_count ) );
delete_current_contour( tobj );
return;
}
@@ -634,15 +675,21 @@ static void inspect_current_contour( GLUtesselator *tobj )
if ( find_normal( tobj ) == GLU_ERROR ) {
return;
}
- COPY_3V( current->plane.normal, tobj->plane.normal );
+ COPY_3V( tobj->plane.normal, current->plane.normal );
tobj->plane.dist = current->plane.dist;
}
+ else
+ {
+ DEBUGP( 3, ( " normal: (%.2f,%.2f,%.2f)\n", tobj->plane.normal[X], tobj->plane.normal[Y], tobj->plane.normal[Z] ) );
+ }
project_current_contour( tobj );
if ( save_current_contour( tobj ) == GLU_ERROR ) {
return;
}
+
+ DEBUGP( 3, ( " <- inspect_current_contour( tobj:%p )\n", tobj ) );
}
/*****************************************************************************
@@ -654,6 +701,8 @@ static GLenum find_normal( GLUtesselator *tobj )
tess_vertex_t *va, *vb, *vc;
GLdouble a[3], b[3], c[3];
+ DEBUGP( 3, ( " -> find_normal( tobj:%p )\n", tobj ) );
+
if ( contour == NULL ) { return GLU_ERROR; }
va = contour->vertices;
@@ -666,6 +715,7 @@ static GLenum find_normal( GLUtesselator *tobj )
}
if ( vb == va ) {
+ DEBUGP( 0, ( "*** error 7 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR7, NULL );
}
@@ -686,9 +736,11 @@ static GLenum find_normal( GLUtesselator *tobj )
contour->plane.dist = - DOT3( contour->plane.normal, va->coords );
+ DEBUGP( 3, ( " <- find_normal( tobj:%p ) n: (%.2f,%.2f,%.2f)\n", tobj, contour->plane.normal[X], contour->plane.normal[Y], contour->plane.normal[Z] ) );
return GLU_NO_ERROR;
}
}
+ DEBUGP( 0, ( "*** error 7 ***\n" ) );
tess_error_callback( tobj, GLU_TESS_ERROR7, NULL );
return GLU_ERROR;
@@ -709,6 +761,8 @@ static void project_current_contour( GLUtesselator *tobj )
GLdouble dot, rotx, roty;
GLuint i;
+ DEBUGP( 3, ( " -> project_current_contour( tobj:%p )\n", tobj ) );
+
if ( current == NULL ) { return; }
/* Rotate the plane normal around the y-axis. */
@@ -768,6 +822,8 @@ static void project_current_contour( GLUtesselator *tobj )
current->orientation = GLU_CW;
current->area = -area;
}
+
+ DEBUGP( 3, ( " <- project_current_contour( tobj:%p )\n", tobj ) );
}
/*****************************************************************************
@@ -907,7 +963,9 @@ static void delete_all_contours( GLUtesselator *tobj )
/*****************************************************************************
* Debugging output
*****************************************************************************/
-#ifdef _DEBUG
+#ifdef DEBUG
+int tess_debug_level = 3;
+
int vdebugstr( char *format_str, ... )
{
va_list ap;
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