*** empty log message ***

12 files changed, 2978 insertions, 0 deletions

diff --git a/progs/ggi/asc-view.c b/progs/ggi/asc-view.c
new file mode 100644
index 0000000..16f53e5
--- /dev/null
+++ b/progs/ggi/asc-view.c
@@ -0,0 +1,353 @@
+/*
+    test program for the ggi-mesa driver
+
+    Copyright (C) 1997,1998  Uwe Maurer - uwe_maurer@t-online.de
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <sys/time.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/ggimesa.h>
+#include <ggi/ggi.h>
+#include <stdlib.h>
+
+ggi_visual_t vis,vis_mem;
+
+GGIMesaContext ctx;
+
+int screen_x=320,screen_y=200;
+ggi_graphtype bpp=GT_16BIT;
+
+//#define ZBUFFER
+
+//#define SMOOTH_NORMALS
+
+void Init()
+{
+	GLfloat h=(GLfloat)3/4;
+	GLfloat pos[4]={5,5,-20,0};
+	GLfloat specular[4]={.4,.4,.4,1};
+	GLfloat diffuse[4]={.3,.3,.3,1};
+	GLfloat ambient[4]={.2,.2,.2,1};
+
+	int err;
+
+	if (ggiInit()<0)
+	{
+		printf("ggiInit() failed\n");
+		exit(1);
+	}
+	ctx=GGIMesaCreateContext();
+	if (ctx==NULL)
+	{
+		printf("Can't create Context!\n");
+		exit(1);
+	}
+
+	vis=ggiOpen(NULL);
+	vis_mem=ggiOpen("display-memory",NULL);
+	if (vis==NULL || vis_mem==NULL)
+	{
+		printf("Can't open ggi_visuals!\n");
+		exit(1);
+	}	
+	err=ggiSetGraphMode(vis,screen_x,screen_y,screen_x,screen_y,bpp);
+	err+=ggiSetGraphMode(vis_mem,screen_x,screen_y,screen_x,screen_y,bpp);
+	if (err)
+	{
+		printf("Can't set %ix%i\n",screen_x,screen_y);
+		exit(1);
+	}
+
+	if (GGIMesaSetVisual(ctx,vis_mem,GL_TRUE,GL_FALSE)<0)
+	{
+		printf("GGIMesaSetVisual() failed!\n");
+		exit(1);
+	}
+
+	GGIMesaMakeCurrent(ctx);
+
+	glViewport(0,0,screen_x,screen_y);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glFrustum(-1,1,-h,h,1,50);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0,0,-9);
+	glShadeModel(GL_FLAT);
+
+	glFrontFace(GL_CW);
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_LIGHT0);
+	
+	glLightfv(GL_LIGHT0,GL_POSITION,pos);
+	
+	glLightfv(GL_LIGHT0,GL_DIFFUSE,diffuse);
+	glLightfv(GL_LIGHT0,GL_AMBIENT,ambient);
+	glLightfv(GL_LIGHT0,GL_SPECULAR,specular);
+
+	#ifdef ZBUFFER
+		glEnable(GL_DEPTH_TEST);
+	#endif
+}
+
+
+#define MAX_VERTS 1000
+#define MAX_TRIS  2000
+#define MAX_LEN 1024
+#define MAX_F 100000000
+
+void LoadAsc(GLuint *list,char *file)
+{
+	FILE *fp;
+
+	GLfloat p[MAX_VERTS][3];
+	GLfloat normal[MAX_VERTS][3];
+	float ncount[MAX_VERTS];
+	int v[MAX_TRIS][3];
+	char line[MAX_LEN];
+	char *s;
+	int  i,j;
+	int verts,faces;
+	GLuint v0,v1,v2;
+	GLfloat n[3];
+	GLfloat len,k;
+	GLfloat min[3]={MAX_F,MAX_F,MAX_F};
+	GLfloat max[3]={-MAX_F,-MAX_F,-MAX_F};
+	char *coord_str[]={"X","Z","Y"};
+
+	fp=fopen(file,"r");
+	if (!fp) 
+	{
+		printf("Can't open %s!\n",file);	
+		exit(1);
+	}
+
+	while (strncmp(fgets(line,MAX_LEN,fp),"Tri-mesh",8)) ;
+	
+	s=strstr(line,":")+1;
+	verts=atoi(s);
+	s=strstr(s,":")+1;
+	faces=atoi(s);
+
+	if (verts>MAX_VERTS)	
+	{	
+		printf("Too many vertices..\n");
+		exit(1);
+	}
+	
+	while (strncmp(fgets(line,MAX_LEN,fp),"Vertex list",11)) ;	
+
+	for (i=0;i<verts;i++)
+	{
+		while (strncmp(fgets(line,MAX_LEN,fp),"Vertex",6)) ;	
+		for (j=0;j<3;j++)
+		{	
+			s=strstr(line,coord_str[j])+2;
+			k=atoi(s);
+			if (k>max[j]) max[j]=k;
+			if (k<min[j]) min[j]=k;
+			p[i][j]=k;
+		}
+		
+	}
+	len=0;
+	for (i=0;i<3;i++)
+	{
+		k=max[i]-min[i];
+		if (k>len) {len=k;j=i;}
+		n[i]=(max[i]+min[i])/2;
+	}
+
+	len/=2;
+
+	for (i=0;i<verts;i++)
+	{
+		for (j=0;j<3;j++)
+		{
+			p[i][j]-=n[j];
+			p[i][j]/=len;
+		}
+	}
+
+	*list=glGenLists(1);
+	glNewList(*list,GL_COMPILE);
+	glBegin(GL_TRIANGLES);
+
+	memset(ncount,0,sizeof(ncount));
+	memset(normal,0,sizeof(normal));
+
+	while (strncmp(fgets(line,MAX_LEN,fp),"Face list",9)) ;	
+	for (i=0;i<faces;i++)
+	{
+		while (strncmp(fgets(line,MAX_LEN,fp),"Face",4)) ;	
+		s=strstr(line,"A")+2;
+		v0=v[i][0]=atoi(s);
+		s=strstr(line,"B")+2;
+		v1=v[i][1]=atoi(s);
+		s=strstr(line,"C")+2;
+		v2=v[i][2]=atoi(s);
+		n[0]=((p[v1][1]-p[v0][1])*(p[v2][2]-p[v0][2]) 
+			- (p[v1][2]-p[v0][2])*(p[v2][1]-p[v0][1])); 
+		n[1]=((p[v1][2]-p[v0][2])*(p[v2][0]-p[v0][0]) 
+			- (p[v1][0]-p[v0][0])*(p[v2][2]-p[v0][2])); 
+		n[2]=((p[v1][0]-p[v0][0])*(p[v2][1]-p[v0][1]) 
+			- (p[v1][1]-p[v0][1])*(p[v2][0]-p[v0][0])); 
+		len=n[0]*n[0]+n[1]*n[1]+n[2]*n[2];
+		len=sqrt(len);
+		n[0]/=len;
+		n[1]/=len;
+		n[2]/=len;
+	#ifdef SMOOTH_NORMALS	
+		for (j=0;j<3;j++){
+			normal[v[i][j]][0]+=n[0];
+			normal[v[i][j]][1]+=n[1];
+			normal[v[i][j]][2]+=n[2];
+			ncount[v[i][j]]++;
+		}
+	#else
+		glNormal3fv(n);
+		for (j=0;j<3;j++)
+			glVertex3fv(p[v[i][j]]);
+	#endif
+	}
+
+	#ifdef SMOOTH_NORMALS
+		for (i=0;i<verts;i++) {
+			for (j=0;j<3;j++) {
+				normal[i][j]/=ncount[i];
+			}
+		}
+		for (i=0;i<faces;i++) {
+			for (j=0;j<3;j++) {
+				glNormal3f(normal[v[i][j]][0],
+					   normal[v[i][j]][1],
+					   normal[v[i][j]][2]);
+				glVertex3fv(p[v[i][j]]);
+			}
+		}
+	#endif
+
+	glEnd();
+	glEndList();
+	fclose(fp);
+}
+
+double Display(GLuint l,int *maxframes)
+{
+	int x,y;
+	GLfloat col[]={.25,0,.25,1};
+	int frames=0;
+	struct timeval start,stop;
+	double len;
+	GLfloat rotate=0;
+
+	gettimeofday(&start,NULL);
+
+
+	while(1)
+	{
+		glClearColor(0,0,0,0);
+		glClearIndex(0);
+
+		#ifdef ZBUFFER
+			glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+		#else
+			glClear(GL_COLOR_BUFFER_BIT);
+		#endif	
+
+		glPushMatrix();
+	
+		glRotatef(30,1,0,0);
+		glRotatef(rotate/10,0,0,1);
+		glTranslatef(-6,-4,0);
+		for (y=0;y<3;y++)
+		{
+			glPushMatrix();
+			for (x=0;x<5;x++)
+			{
+				glPushMatrix();
+				glRotatef(rotate,y+1,-x-1,0);
+
+				col[0]=(GLfloat)(x+1)/4;
+				col[1]=0;
+				col[2]=(GLfloat)(y+1)/2;
+				glMaterialfv(GL_FRONT,GL_AMBIENT,col);
+				glCallList(l);
+				glPopMatrix();
+				glTranslatef(3,0,0);
+			}
+			glPopMatrix();
+			glTranslatef(0,4,0);
+		}
+		glPopMatrix();
+		glFinish();
+
+		ggiPutBox(vis,0,0,screen_x,screen_y,ggiDBGetBuffer(vis,0)->read);
+		rotate+=10;
+		frames++;
+		if (frames==(*maxframes)) break;
+
+		if (ggiKbhit(vis))
+		{
+			*maxframes=frames;
+			break;
+		}
+	}
+
+	gettimeofday(&stop,NULL);
+	len=(double)(stop.tv_sec-start.tv_sec)+
+		(double)(stop.tv_usec-start.tv_usec)/1e6;	
+	return len;
+}
+
+
+int main(int argc,char **argv)
+{
+	GLuint l;
+	char *file;
+	int maxframes=0;
+	double len;
+
+	Init();
+
+	file=(argc>1) ? argv[1] : "asc/box.asc";
+	if (argc>2) maxframes=atoi(argv[2]);
+
+	if (argc==1)
+	{
+		printf("usage: %s filename.asc\n",argv[0]);
+	}
+
+	LoadAsc(&l,file);
+
+	len=Display(l,&maxframes);
+
+	printf("\ttime: %.3f sec\n",len);
+	printf("\tframes: %i\n",maxframes);
+	printf("\tfps: %.3f \n",(double)maxframes/len);
+
+	GGIMesaDestroyContext(ctx);
+	ggiClose(vis);
+	ggiClose(vis_mem);
+	ggiExit();
+	return 0;
+}
+
diff --git a/progs/ggi/blah b/progs/ggi/blah
new file mode 100644
index 0000000..2c1664d
--- /dev/null
+++ b/progs/ggi/blah
@@ -0,0 +1,2 @@
+Terminating on signal 11
+
diff --git a/progs/ggi/blat b/progs/ggi/blat
new file mode 100644
index 0000000..7ff64a9
--- /dev/null
+++ b/progs/ggi/blat
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+function foobar() {
+	echo "foo!"
+}
+
+foobar
diff --git a/progs/ggi/box.asc b/progs/ggi/box.asc
new file mode 100644
index 0000000..f8b23fd
--- /dev/null
+++ b/progs/ggi/box.asc
@@ -0,0 +1,66 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216
+
+Named object: "Object01"
+Tri-mesh, Vertices: 8     Faces: 12
+Vertex list:
+Vertex 0:  X: -20     Y: -19.999998     Z: 20.000002
+Vertex 1:  X: 20     Y: -19.999998     Z: 20.000002
+Vertex 2:  X: 20     Y: 20.000002     Z: 19.999998
+Vertex 3:  X: -20     Y: 20.000002     Z: 19.999998
+Vertex 4:  X: -20     Y: -20.000002     Z: -19.999998
+Vertex 5:  X: 20     Y: -20.000002     Z: -19.999998
+Vertex 6:  X: 20     Y: 19.999998     Z: -20.000002
+Vertex 7:  X: -20     Y: 19.999998     Z: -20.000002
+Face list:
+Face 0:    A:0 B:1 C:2 AB:1 BC:1 CA:0
+Smoothing:  1
+Face 1:    A:0 B:2 C:3 AB:0 BC:1 CA:1
+Smoothing:  1
+Face 2:    A:0 B:4 C:5 AB:1 BC:1 CA:0
+Smoothing:  2
+Face 3:    A:0 B:5 C:1 AB:0 BC:1 CA:1
+Smoothing:  2
+Face 4:    A:1 B:5 C:6 AB:1 BC:1 CA:0
+Smoothing:  3
+Face 5:    A:1 B:6 C:2 AB:0 BC:1 CA:1
+Smoothing:  3
+Face 6:    A:2 B:6 C:7 AB:1 BC:1 CA:0
+Smoothing:  4
+Face 7:    A:2 B:7 C:3 AB:0 BC:1 CA:1
+Smoothing:  4
+Face 8:    A:3 B:7 C:4 AB:1 BC:1 CA:0
+Smoothing:  5
+Face 9:    A:3 B:4 C:0 AB:0 BC:1 CA:1
+Smoothing:  5
+Face 10:    A:4 B:7 C:6 AB:1 BC:1 CA:0
+Smoothing:  6
+Face 11:    A:4 B:6 C:5 AB:0 BC:1 CA:1
+Smoothing:  6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+                                     Page 1
+
+
+
diff --git a/progs/ggi/cone.asc b/progs/ggi/cone.asc
new file mode 100644
index 0000000..5c52285
--- /dev/null
+++ b/progs/ggi/cone.asc
@@ -0,0 +1,198 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216
+
+Named object: "Object01"
+Tri-mesh, Vertices: 34     Faces: 64
+Vertex list:
+Vertex 0:  X: 60.167416     Y: -87.419525     Z: -53.3088
+Vertex 1:  X: 76.70787     Y: -87.419518     Z: -29.84565
+Vertex 2:  X: 83.0103     Y: -87.419518     Z: -1.838764
+Vertex 3:  X: 78.115204     Y: -87.419518     Z: 26.448057
+Vertex 4:  X: 62.767834     Y: -87.41951     Z: 50.708401
+Vertex 5:  X: 39.304672     Y: -87.41951     Z: 67.248848
+Vertex 6:  X: 11.297782     Y: -87.41951     Z: 73.551254
+Vertex 7:  X: -16.989004     Y: -87.41951     Z: 68.656158
+Vertex 8:  X: -41.249344     Y: -87.41951     Z: 53.308777
+Vertex 9:  X: -57.789783     Y: -87.419518     Z: 29.845612
+Vertex 10:  X: -64.092194     Y: -87.419518     Z: 1.838721
+Vertex 11:  X: -59.197079     Y: -87.419518     Z: -26.448097
+Vertex 12:  X: -43.849678     Y: -87.419525     Z: -50.708427
+Vertex 13:  X: -20.386503     Y: -87.419525     Z: -67.248856
+Vertex 14:  X: 7.62039     Y: -87.419525     Z: -73.551239
+Vertex 15:  X: 35.907204     Y: -87.419525     Z: -68.656105
+Vertex 16:  X: 101.684875     Y: 94.590591     Z: -96.955391
+Vertex 17:  X: 131.767838     Y: 94.590591     Z: -54.281792
+Vertex 18:  X: 143.230377     Y: 94.590599     Z: -3.344275
+Vertex 19:  X: 134.327423     Y: 94.590607     Z: 48.102379
+Vertex 20:  X: 106.414383     Y: 94.590607     Z: 92.225876
+Vertex 21:  X: 63.740765     Y: 94.590607     Z: 122.3088
+Vertex 22:  X: 12.803238     Y: 94.590614     Z: 133.771301
+Vertex 23:  X: -38.643349     Y: 94.590607     Z: 124.868355
+Vertex 24:  X: -82.766846     Y: 94.590607     Z: 96.955307
+Vertex 25:  X: -112.849762     Y: 94.590607     Z: 54.281677
+Vertex 26:  X: -124.312256     Y: 94.590599     Z: 3.344152
+Vertex 27:  X: -115.409271     Y: 94.590591     Z: -48.102493
+Vertex 28:  X: -87.496201     Y: 94.590591     Z: -92.225967
+Vertex 29:  X: -44.822552     Y: 94.590591     Z: -122.308861
+Vertex 30:  X: 6.114983     Y: 94.590584     Z: -133.771332
+Vertex 31:  X: 57.561623     Y: 94.590591     Z: -124.868301
+Vertex 32:  X: 9.459057     Y: -87.419518     Z: 0.000008
+Vertex 33:  X: 9.459057     Y: 94.590599     Z: -0.000008
+Face list:
+Face 0:    A:0 B:1 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 1:    A:1 B:2 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 2:    A:2 B:3 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 3:    A:3 B:4 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 4:    A:4 B:5 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 5:    A:5 B:6 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 6:    A:6 B:7 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 7:    A:7 B:8 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 8:    A:8 B:9 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 9:    A:9 B:10 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 10:    A:10 B:11 C:32 AB:1 BC:0 CA:0
+
+                                     Page 1
+
+
+
+Smoothing:  1
+Face 11:    A:11 B:12 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 12:    A:12 B:13 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 13:    A:13 B:14 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 14:    A:14 B:15 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 15:    A:15 B:0 C:32 AB:1 BC:0 CA:0
+Smoothing:  1
+Face 16:    A:0 B:16 C:17 AB:1 BC:1 CA:0
+Smoothing:  2
+Face 17:    A:0 B:17 C:1 AB:0 BC:1 CA:1
+Smoothing:  2
+Face 18:    A:1 B:17 C:18 AB:1 BC:1 CA:0
+Smoothing:  3
+Face 19:    A:1 B:18 C:2 AB:0 BC:1 CA:1
+Smoothing:  3
+Face 20:    A:2 B:18 C:19 AB:1 BC:1 CA:0
+Smoothing:  4
+Face 21:    A:2 B:19 C:3 AB:0 BC:1 CA:1
+Smoothing:  4
+Face 22:    A:3 B:19 C:20 AB:1 BC:1 CA:0
+Smoothing:  5
+Face 23:    A:3 B:20 C:4 AB:0 BC:1 CA:1
+Smoothing:  5
+Face 24:    A:4 B:20 C:21 AB:1 BC:1 CA:0
+Smoothing:  6
+Face 25:    A:4 B:21 C:5 AB:0 BC:1 CA:1
+Smoothing:  6
+Face 26:    A:5 B:21 C:22 AB:1 BC:1 CA:0
+Smoothing:  7
+Face 27:    A:5 B:22 C:6 AB:0 BC:1 CA:1
+Smoothing:  7
+Face 28:    A:6 B:22 C:23 AB:1 BC:1 CA:0
+Smoothing:  8
+Face 29:    A:6 B:23 C:7 AB:0 BC:1 CA:1
+Smoothing:  8
+Face 30:    A:7 B:23 C:24 AB:1 BC:1 CA:0
+Smoothing:  9
+Face 31:    A:7 B:24 C:8 AB:0 BC:1 CA:1
+Smoothing:  9
+Face 32:    A:8 B:24 C:25 AB:1 BC:1 CA:0
+Smoothing:  10
+Face 33:    A:8 B:25 C:9 AB:0 BC:1 CA:1
+Smoothing:  10
+Face 34:    A:9 B:25 C:26 AB:1 BC:1 CA:0
+Smoothing:  11
+Face 35:    A:9 B:26 C:10 AB:0 BC:1 CA:1
+Smoothing:  11
+Face 36:    A:10 B:26 C:27 AB:1 BC:1 CA:0
+Smoothing:  12
+Face 37:    A:10 B:27 C:11 AB:0 BC:1 CA:1
+Smoothing:  12
+Face 38:    A:11 B:27 C:28 AB:1 BC:1 CA:0
+Smoothing:  13
+Face 39:    A:11 B:28 C:12 AB:0 BC:1 CA:1
+Smoothing:  13
+Face 40:    A:12 B:28 C:29 AB:1 BC:1 CA:0
+Smoothing:  14
+
+                                     Page 2
+
+
+
+Face 41:    A:12 B:29 C:13 AB:0 BC:1 CA:1
+Smoothing:  14
+Face 42:    A:13 B:29 C:30 AB:1 BC:1 CA:0
+Smoothing:  15
+Face 43:    A:13 B:30 C:14 AB:0 BC:1 CA:1
+Smoothing:  15
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+Smoothing:  16
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+Smoothing:  16
+Face 46:    A:15 B:31 C:16 AB:1 BC:1 CA:0
+Smoothing:  17
+Face 47:    A:15 B:16 C:0 AB:0 BC:1 CA:1
+Smoothing:  17
+Face 48:    A:16 B:33 C:17 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 49:    A:17 B:33 C:18 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 50:    A:18 B:33 C:19 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 51:    A:19 B:33 C:20 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 52:    A:20 B:33 C:21 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 53:    A:21 B:33 C:22 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 54:    A:22 B:33 C:23 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 55:    A:23 B:33 C:24 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 56:    A:24 B:33 C:25 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 57:    A:25 B:33 C:26 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 58:    A:26 B:33 C:27 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 59:    A:27 B:33 C:28 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 60:    A:28 B:33 C:29 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 61:    A:29 B:33 C:30 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 62:    A:30 B:33 C:31 AB:0 BC:0 CA:1
+Smoothing:  18
+Face 63:    A:31 B:33 C:16 AB:0 BC:0 CA:1
+Smoothing:  18
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+                                     Page 3
+
+
+
diff --git a/progs/ggi/gears.c b/progs/ggi/gears.c
new file mode 100644
index 0000000..a6b5f7d
--- /dev/null
+++ b/progs/ggi/gears.c
@@ -0,0 +1,359 @@
+/* $Id: gears.c,v 1.1 1999/08/21 06:27:37 jtaylor Exp $ */
+
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Brian Paul
+ */
+
+/* Conversion to GLUT by Mark J. Kilgard */
+
+/*
+ * $Log: gears.c,v $
+ * Revision 1.1  1999/08/21 06:27:37  jtaylor
+ * *** empty log message ***
+ *
+ * Revision 1.5  1999/07/31 21:51:09  jtaylor
+ * *** empty log message ***
+ *
+ * Revision 3.2  1999/06/03 17:07:36  brianp
+ * an extra quad was being drawn in front and back faces
+ *
+ * Revision 3.1  1998/11/03 02:49:10  brianp
+ * added fps output
+ *
+ * Revision 3.0  1998/02/14 18:42:29  brianp
+ * initial rev
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <GL/glut.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+static GLint T0 = 0;
+static GLint Frames = 0;
+
+
+/**
+
+  Draw a gear wheel.  You'll probably want to call this function when
+  building a display list since we do a lot of trig here.
+ 
+  Input:  inner_radius - radius of hole at center
+          outer_radius - radius at center of teeth
+          width - width of gear
+          teeth - number of teeth
+          tooth_depth - depth of tooth
+
+ **/
+
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+  GLint teeth, GLfloat tooth_depth)
+{
+  GLint i;
+  GLfloat r0, r1, r2;
+  GLfloat angle, da;
+  GLfloat u, v, len;
+
+  r0 = inner_radius;
+  r1 = outer_radius - tooth_depth / 2.0;
+  r2 = outer_radius + tooth_depth / 2.0;
+
+  da = 2.0 * M_PI / teeth / 4.0;
+
+  glShadeModel(GL_FLAT);
+
+  glNormal3f(0.0, 0.0, 1.0);
+
+  /* draw front face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw front sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+  }
+  glEnd();
+
+  glNormal3f(0.0, 0.0, -1.0);
+
+  /* draw back face */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    if (i < teeth) {
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    }
+  }
+  glEnd();
+
+  /* draw back sides of teeth */
+  glBegin(GL_QUADS);
+  da = 2.0 * M_PI / teeth / 4.0;
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+  }
+  glEnd();
+
+  /* draw outward faces of teeth */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i < teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+    glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+    u = r2 * cos(angle + da) - r1 * cos(angle);
+    v = r2 * sin(angle + da) - r1 * sin(angle);
+    len = sqrt(u * u + v * v);
+    u /= len;
+    v /= len;
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+    glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), width * 0.5);
+    glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), -width * 0.5);
+    u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+    v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+    glNormal3f(v, -u, 0.0);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), width * 0.5);
+    glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), -width * 0.5);
+    glNormal3f(cos(angle), sin(angle), 0.0);
+  }
+
+  glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+  glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+  glEnd();
+
+  glShadeModel(GL_SMOOTH);
+
+  /* draw inside radius cylinder */
+  glBegin(GL_QUAD_STRIP);
+  for (i = 0; i <= teeth; i++) {
+    angle = i * 2.0 * M_PI / teeth;
+    glNormal3f(-cos(angle), -sin(angle), 0.0);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+    glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+  }
+  glEnd();
+
+}
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static void
+draw(void)
+{
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  glPushMatrix();
+  glRotatef(view_rotx, 1.0, 0.0, 0.0);
+  glRotatef(view_roty, 0.0, 1.0, 0.0);
+  glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+  glPushMatrix();
+  glTranslatef(-3.0, -2.0, 0.0);
+  glRotatef(angle, 0.0, 0.0, 1.0);
+  glCallList(gear1);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(3.1, -2.0, 0.0);
+  glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+  glCallList(gear2);
+  glPopMatrix();
+
+  glPushMatrix();
+  glTranslatef(-3.1, 4.2, 0.0);
+  glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+  glCallList(gear3);
+  glPopMatrix();
+
+  glPopMatrix();
+
+  glutSwapBuffers();
+
+  Frames++;
+  {
+     GLint t = glutGet(GLUT_ELAPSED_TIME);
+     if (t - T0 >= 5000) {
+        GLfloat seconds = (t - T0) / 1000.0;
+        GLfloat fps = Frames / seconds;
+        printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+        T0 = t;
+        Frames = 0;
+     }
+  }
+}
+
+
+static void
+idle(void)
+{
+  angle += 2.0;
+  glutPostRedisplay();
+}
+
+/* change view angle, exit upon ESC */
+/* ARGSUSED1 */
+static void
+key(unsigned char k, int x, int y)
+{
+  switch (k) {
+  case 'z':
+    view_rotz += 5.0;
+    break;
+  case 'Z':
+    view_rotz -= 5.0;
+    break;
+  case 27:  /* Escape */
+    exit(0);
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* change view angle */
+/* ARGSUSED1 */
+static void
+special(int k, int x, int y)
+{
+  switch (k) {
+  case GLUT_KEY_UP:
+    view_rotx += 5.0;
+    break;
+  case GLUT_KEY_DOWN:
+    view_rotx -= 5.0;
+    break;
+  case GLUT_KEY_LEFT:
+    view_roty += 5.0;
+    break;
+  case GLUT_KEY_RIGHT:
+    view_roty -= 5.0;
+    break;
+  default:
+    return;
+  }
+  glutPostRedisplay();
+}
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+  GLfloat h = (GLfloat) height / (GLfloat) width;
+
+  glViewport(0, 0, (GLint) width, (GLint) height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  glTranslatef(0.0, 0.0, -40.0);
+}
+
+static void
+init(void)
+{
+  static GLfloat pos[4] =
+  {5.0, 5.0, 10.0, 0.0};
+  static GLfloat red[4] =
+  {0.8, 0.1, 0.0, 1.0};
+  static GLfloat green[4] =
+  {0.0, 0.8, 0.2, 1.0};
+  static GLfloat blue[4] =
+  {0.2, 0.2, 1.0, 1.0};
+
+  glLightfv(GL_LIGHT0, GL_POSITION, pos);
+  glEnable(GL_CULL_FACE);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_LIGHT0);
+  glEnable(GL_DEPTH_TEST);
+
+  /* make the gears */
+  gear1 = glGenLists(1);
+  glNewList(gear1, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+  gear(1.0, 4.0, 1.0, 20, 0.7);
+  glEndList();
+
+  gear2 = glGenLists(1);
+  glNewList(gear2, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+  gear(0.5, 2.0, 2.0, 10, 0.7);
+  glEndList();
+
+  gear3 = glGenLists(1);
+  glNewList(gear3, GL_COMPILE);
+  glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+  gear(1.3, 2.0, 0.5, 10, 0.7);
+  glEndList();
+
+  glEnable(GL_NORMALIZE);
+}
+
+void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE)
+    glutIdleFunc(idle);
+  else
+    glutIdleFunc(NULL);
+}
+
+int main(int argc, char *argv[])
+{
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+
+  glutInitWindowPosition(0, 0);
+  glutInitWindowSize(300, 300);
+  glutCreateWindow("Gears");
+  init();
+
+  glutDisplayFunc(draw);
+  glutReshapeFunc(reshape);
+  glutKeyboardFunc(key);
+  glutSpecialFunc(special);
+  glutVisibilityFunc(visible);
+
+  glutMainLoop();
+  return 0;             /* ANSI C requires main to return int. */
+}
diff --git a/progs/ggi/gears2.c b/progs/ggi/gears2.c
new file mode 100644
index 0000000..1d1e10d
--- /dev/null
+++ b/progs/ggi/gears2.c
@@ -0,0 +1,359 @@
+/* gears.c */
+
+/*
+ * 3-D gear wheels.  This program is in the public domain.
+ *
+ * Brian Paul
+ * modified by Uwe Maurer (uwe_maurer@t-online.de)
+ */
+
+#include <string.h>
+#include <math.h>
+#include <stdlib.h>
+#include <ggi/ggi.h>
+#include <GL/ggimesa.h>
+#ifndef M_PI
+#  define M_PI 3.14159265
+#endif
+
+
+ggi_visual_t vis;
+char text[100];
+
+/*
+ * Draw a gear wheel.  You'll probably want to call this function when
+ * building a display list since we do a lot of trig here.
+ *
+ * Input:  inner_radius - radius of hole at center
+ *         outer_radius - radius at center of teeth
+ *         width - width of gear
+ *         teeth - number of teeth
+ *         tooth_depth - depth of tooth
+ */
+static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+		  GLint teeth, GLfloat tooth_depth )
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth/2.0;
+   r2 = outer_radius + tooth_depth/2.0;
+
+   da = 2.0*M_PI / teeth / 4.0;
+
+   glShadeModel( GL_FLAT );
+
+   glNormal3f( 0.0, 0.0, 1.0 );
+
+   /* draw front face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
+   }
+   glEnd();
+
+
+   glNormal3f( 0.0, 0.0, -1.0 );
+
+   /* draw back face */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin( GL_QUADS );
+   da = 2.0*M_PI / teeth / 4.0;
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+   }
+   glEnd();
+
+
+   /* draw outward faces of teeth */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+
+      glVertex3f( r1*cos(angle),      r1*sin(angle),       width*0.5 );
+      glVertex3f( r1*cos(angle),      r1*sin(angle),      -width*0.5 );
+      u = r2*cos(angle+da) - r1*cos(angle);
+      v = r2*sin(angle+da) - r1*sin(angle);
+      len = sqrt( u*u + v*v );
+      u /= len;
+      v /= len;
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),    width*0.5 );
+      glVertex3f( r2*cos(angle+da),   r2*sin(angle+da),   -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da),  width*0.5 );
+      glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
+      u = r1*cos(angle+3*da) - r2*cos(angle+2*da);
+      v = r1*sin(angle+3*da) - r2*sin(angle+2*da);
+      glNormal3f( v, -u, 0.0 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da),  width*0.5 );
+      glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
+      glNormal3f( cos(angle), sin(angle), 0.0 );
+   }
+
+   glVertex3f( r1*cos(0), r1*sin(0), width*0.5 );
+   glVertex3f( r1*cos(0), r1*sin(0), -width*0.5 );
+
+   glEnd();
+
+
+   glShadeModel( GL_SMOOTH );
+
+   /* draw inside radius cylinder */
+   glBegin( GL_QUAD_STRIP );
+   for (i=0;i<=teeth;i++) {
+      angle = i * 2.0*M_PI / teeth;
+      glNormal3f( -cos(angle), -sin(angle), 0.0 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
+      glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
+   }
+   glEnd();
+      
+}
+
+
+static GLfloat view_rotx=20.0, view_roty=30.0, view_rotz=0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLuint limit;
+static GLuint count = 1;
+
+
+static void draw( void )
+{
+   glClearColor(0,0,0,0);
+   glClearIndex(0);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glPushMatrix();
+   glRotatef( view_rotx, 1.0, 0.0, 0.0 );
+   glRotatef( view_roty, 0.0, 1.0, 0.0 );
+   glRotatef( view_rotz, 0.0, 0.0, 1.0 );
+
+   glPushMatrix();
+   glTranslatef( -3.0, -2.0, 0.0 );
+   glRotatef( angle, 0.0, 0.0, 1.0 );
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( 3.1, -2.0, 0.0 );
+   glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 );
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef( -3.1, 4.2, 0.0 );
+   glRotatef( -2.0*angle-25.0, 0.0, 0.0, 1.0 );
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+   glFlush();
+   glFinish();
+
+#if 0
+   ggiSetGCForeground(vis,255);
+   ggiPuts(vis,0,0,"Mesa  ->  GGI");
+   ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y," Mesa -> GGI");
+
+   ggiPuts(vis,0,16,text);
+   ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y+16,text);
+#endif
+
+   GGIMesaSwapBuffers();
+ 			
+   count++;
+   if (count==limit) {
+      exit(1);
+   }
+}
+
+static void idle( void )
+{
+   angle += 2.0;
+   draw();
+}
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   GLfloat  h = (GLfloat) height / (GLfloat) width;
+
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum( -1.0, 1.0, -h, h, 5.0, 60.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -40.0 );
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+}
+
+
+static void init( void )
+{
+   static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv( GL_LIGHT0, GL_POSITION, pos );
+   glEnable( GL_CULL_FACE );
+   glEnable( GL_LIGHTING );
+   glEnable( GL_LIGHT0 );
+   glEnable( GL_DEPTH_TEST );
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red );
+   glIndexi(1);
+   gear( 1.0, 4.0, 1.0, 20, 0.7 );
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
+  glIndexi(2);
+   gear( 0.5, 2.0, 2.0, 10, 0.7 );
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue );
+  glIndexi(3);
+   gear( 1.3, 2.0, 0.5, 10, 0.7 );
+   glEndList();
+
+   glEnable( GL_NORMALIZE );
+}
+
+static void usage(char *s)
+{
+ printf("%s visible_x visible_y virtual_x virtual_y bpp db_flag\n",s);
+ printf("example:\n");
+ printf("%s 320 200 320 400 8 1\n",s);
+ exit(1);
+}
+
+int main( int argc, char *argv[] )
+{
+	GGIMesaContext ctx;
+	int vis_x,vis_y,vir_x,vir_y,bpp,db_flag,gt;
+	ggi_mode mode;
+
+	limit=0;
+
+	if (argc<7) usage(argv[0]);
+
+	vis_x=atoi(argv[1]);
+	vis_y=atoi(argv[2]);
+	vir_x=atoi(argv[3]);
+	vir_y=atoi(argv[4]);
+	bpp=atoi(argv[5]);
+	db_flag=atoi(argv[6]);
+
+	switch(bpp)
+	{
+		case 4: gt=GT_4BIT;break;
+		case 8: gt=GT_8BIT;break;
+		case 15:gt=GT_15BIT;break;
+		case 16:gt=GT_16BIT;break;
+		case 24:gt=GT_24BIT;break;
+		case 32:gt=GT_32BIT;break;
+		default:
+			printf("%i Bits per Pixel ???\n",bpp);
+			exit(1);
+	} 
+	sprintf(text,"%sx%s %i colors, RGB mode, %s",
+		argv[1],argv[2],1<<bpp,
+		(db_flag) ? "doublebuffer" : "no doublebuffer");
+ 
+	if (ggiInit()<0) 
+	{
+		printf("ggiInit() failed\n");
+		exit(1);
+	}
+ 
+	ctx=GGIMesaCreateContext(); 
+	if (ctx==NULL)
+	{
+		printf("GGIMesaCreateContext() failed\n");
+		exit(1);
+	}
+
+	vis=ggiOpen(NULL);
+	if (vis==NULL)
+	{
+		printf("ggiOpen() failed\n");
+		exit(1);
+	}
+
+	if (ggiSetGraphMode(vis,vis_x,vis_y,vir_x,vir_y,gt)<0) 
+	{
+		printf("%s: can't set graphmode (%i %i %i %i)  %i BPP\n",
+			argv[0],vis_x,vis_y,vir_x,vir_y,bpp);
+		exit(1);
+	}
+
+	if (GGIMesaSetVisual(ctx,vis,GL_TRUE,db_flag)<0)
+	{
+		printf ("GGIMesaSetVisual() failed\n");
+		exit(1);
+	}
+
+	GGIMesaMakeCurrent(ctx);
+	ggiGetMode(vis,&mode);
+
+	reshape(mode.visible.x,mode.visible.y);
+
+	init();
+ 
+	while (!ggiKbhit(vis)) idle();
+
+	GGIMesaDestroyContext(ctx);
+	ggiClose(vis);
+
+	printf("%s\n",text);
+
+	ggiExit(); 
+	return 0;
+}
diff --git a/progs/ggi/sphere.asc b/progs/ggi/sphere.asc
new file mode 100644
index 0000000..1424a74
--- /dev/null
+++ b/progs/ggi/sphere.asc
@@ -0,0 +1,132 @@
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+

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diff --git a/progs/ggi/torus.asc b/progs/ggi/torus.asc
new file mode 100644
index 0000000..6bd41f4
--- /dev/null
+++ b/progs/ggi/torus.asc
@@ -0,0 +1,264 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216

+

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diff --git a/progs/ggi/tube.asc b/progs/ggi/tube.asc
new file mode 100644
index 0000000..0b5dd0d
--- /dev/null
+++ b/progs/ggi/tube.asc
@@ -0,0 +1,396 @@
+Ambient light color: Red=0.039216 Green=0.039216 Blue=0.039216
+
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diff --git a/src/glut/ggi/EXPSYMS b/src/glut/ggi/EXPSYMS
new file mode 100644
index 0000000..dc55623
--- /dev/null
+++ b/src/glut/ggi/EXPSYMS
@@ -0,0 +1,2 @@
+glutInit
+glutSwapBuffers
diff --git a/src/glut/ggi/ggiglut.c b/src/glut/ggi/ggiglut.c
new file mode 100644
index 0000000..f9ca0a7
--- /dev/null
+++ b/src/glut/ggi/ggiglut.c
@@ -0,0 +1,840 @@
+/* **************************************************************************
+ * ggiglut.c
+ * **************************************************************************
+ * 
+ * Copyright (C) 1998 Uwe Maurer - uwe_maurer@t-online.de 
+ * Copyright (C) 1999 James Simmons
+ * Copyright (C) 1999 Jon Taylor
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 
+ * **************************************************************************
+ * To-do:
+ * - Make everything use the portable ggi_* types
+ * 
+ */
+
+#define WIDTH	640
+#define HEIGHT	480
+#define GRAPHTYPE_RGB	GT_16BIT
+#define GRAPHTYPE_INDEX	GT_8BIT
+
+/*************************************************************************/
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glut.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "GL/ggimesa.h"
+
+#include <ggi/ggi.h>
+#include <ggi/gii.h>
+
+char *__glutProgramName = "GGI";
+
+static ggi_visual_t __glut_vis;
+
+static GGIMesaContext __glut_ctx;
+
+static int __glut_width = WIDTH;
+static int __glut_height = HEIGHT;
+static ggi_graphtype __glut_gt_rgb = GRAPHTYPE_RGB;
+static ggi_graphtype __glut_gt_index = GRAPHTYPE_INDEX;
+static int __glut_init = GL_FALSE;
+
+static int mousex = WIDTH / 2;
+static int mousey = HEIGHT / 2;
+static int mouse_moved = GL_FALSE;
+static int mouse_down = GL_FALSE;
+static int mouse_showcursor = GL_FALSE;
+
+static void (*__glut_reshape)(int, int);
+static void (*__glut_display)(void);
+static void (*__glut_idle)(void);
+static void (*__glut_keyboard)(unsigned char, int, int);
+static void (*__glut_special)(int, int, int);
+static void (*__glut_mouse)(int, int, int, int);
+static void (*__glut_motion)(int, int);
+static void (*__glut_passive_motion)(int, int);
+static void (*__glut_visibility)(int);
+
+static unsigned int __glut_mode = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH;
+
+static int __glut_mod_keys = 0;
+
+static int __glut_redisplay = GL_FALSE;
+
+/* Menu */
+static int __glut_menubutton = -1;
+static int __glut_menuactive = GL_FALSE;
+
+#define MAX_ENTRIES	64
+
+typedef struct menu_s
+{
+	char *label[MAX_ENTRIES];
+	int value[MAX_ENTRIES];
+	struct menu_s * submenu[MAX_ENTRIES];
+	void (*func)(int);		
+	int max_strlen;
+	int num_entries;
+} menu_t;
+
+static menu_t *mainmenu;
+static menu_t *curmenu;
+static menu_t *activemenu;
+
+int glut_ggi_debug = GL_FALSE;
+
+void glut_ggiPRINT(char *format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	fprintf(stderr, "GGIGLUT: ");
+	vfprintf(stderr, format, args);
+	va_end(args);
+}
+
+void glut_ggiDEBUG(char *format, ...)
+{
+	va_list args;
+	if (glut_ggi_debug)
+	{
+		va_start(args, format);
+		fprintf(stderr, "GGIGLUT: ");
+		vfprintf(stderr, format, args);
+		va_end(args);
+	}
+	
+}
+
+void glutInit(int *argc, char **argv)
+{
+	ggi_graphtype gt;
+	int i, k;
+	char *s;
+
+	#define REMOVE  {for (k=i;k<*argc-1;k++) argv[k]=argv[k+1];  \
+				(*argc)--; i--; }
+
+	if (__glut_init) return;
+	
+	s = getenv("GGIGLUT_DEBUG");
+	glut_ggi_debug = (s && atoi(s));
+
+	if (argc && argv)
+	{
+
+		for (i = 1; i < *argc; i++)
+		{
+			if (strcmp(argv[i], "-mouse") == 0)
+			{
+				mouse_showcursor = GL_TRUE;	
+				REMOVE;
+			}
+			else
+			if (strcmp(argv[i], "-bpp") == 0 && (i + 1) < (*argc))
+			{
+				switch(atoi(argv[i + 1]))
+				{
+					case 4: gt = GT_4BIT; break;
+					case 8: gt = GT_8BIT; break;
+					case 15: gt = GT_15BIT; break;
+					case 16: gt = GT_16BIT; break;
+					case 24: gt = GT_24BIT; break;
+					case 32: gt = GT_32BIT; break;
+					default:
+					glut_ggiDEBUG("\"%s\" bits per pixel?\n",
+						      argv[i+1]);
+
+					exit(1);
+				}
+				__glut_gt_rgb = __glut_gt_index = gt;
+				REMOVE;
+				REMOVE;
+			} 
+			else
+			if (strcmp(argv[i], "-size") == 0 && (i + 2) < (*argc))
+			{
+				__glut_width=atoi(argv[i+1]);
+				__glut_height=atoi(argv[i+2]);
+				REMOVE;
+				REMOVE;
+				REMOVE;
+			}
+		}
+	}
+	
+	if (ggiInit()<0)
+	{
+		ggiPanic("ggiInit() failed!\n");
+	}
+	__glut_init=GL_TRUE;
+
+	#undef REMOVE
+}
+
+void glutInitWindowPosition(int x, int y)
+{
+}
+
+void glutInitWindowSize(int x, int y)
+{
+}
+
+void glutFullScreen(void)
+{
+}
+
+void glutInitDisplayMode(unsigned int mode)
+{
+	__glut_mode = mode;
+}
+
+void glutInitDisplayString(const char *string)
+{
+	glut_ggiPRINT("glutInitDisplayString: %s\n", string);
+}
+
+int glutCreateWindow(const char *title)
+{
+	ggi_graphtype gt;
+	ggi_mode mode = 
+	{
+		1,
+		{ GGI_AUTO, GGI_AUTO },
+		{ GGI_AUTO, GGI_AUTO },
+		{ 0, 0 },
+		GT_AUTO,
+		{ GGI_AUTO, GGI_AUTO }
+	};
+	int frames;
+	int rgb;
+	int err;
+
+	if (!__glut_init) 
+	  glutInit(NULL, NULL);
+
+	glut_ggiPRINT("GGIGLUT: %s\n", title);
+
+	rgb = !(__glut_mode & GLUT_INDEX);
+	frames = (__glut_mode & GLUT_DOUBLE) ? 2 : 1;
+	gt = (rgb) ? __glut_gt_rgb : __glut_gt_index;
+	
+	__glut_ctx = GGIMesaCreateContext();
+	
+	if (__glut_ctx == NULL) 
+	  ggiPanic("Can't create mesa-context\n");
+
+	__glut_vis = ggiOpen(NULL);
+	if (__glut_vis == NULL) 
+	{
+	  ggiPanic("ggiOpen() failed!\n");
+	  /* return GL_FALSE; */
+	}
+	
+	ggiSetFlags(__glut_vis, GGIFLAG_ASYNC);
+	
+	ggiCheckMode(__glut_vis, &mode);
+	
+	err = ggiSetMode(__glut_vis, &mode);
+	if (err < 0) 
+	{
+	  ggiPanic("Can't set graphic mode!\n");
+	  /* return GL_FALSE; */
+	}
+	
+	ggiGetMode(__glut_vis, &mode);
+
+	if (GGIMesaSetVisual(__glut_ctx, __glut_vis, rgb, frames > 1) < 0) 
+	{
+		ggiPanic("GGIMesaSetVisual failed!\n");
+	}
+	
+	GGIMesaMakeCurrent(__glut_ctx);
+	
+	if (__glut_reshape) 
+	  __glut_reshape(__glut_width, __glut_height);
+
+	return GL_TRUE;
+}
+
+void glutReshapeFunc(void (*func)(int, int))
+{
+  __glut_reshape = func;
+  if (__glut_vis && __glut_reshape) 
+    __glut_reshape(__glut_width, __glut_height);
+}
+
+void glutKeyboardFunc(void (*keyboard)(unsigned char key, int x, int y))
+{
+  __glut_keyboard = keyboard;
+}
+
+int glutGetModifiers(void)
+{
+  return __glut_mod_keys;
+}
+
+void glutEntryFunc(void (*func)(int state))
+{
+}
+
+void glutVisibilitFunc(void (*func)(int state))
+{
+}
+
+void glutTimerFunc(unsigned int millis, void (*func)(int value), int value)
+{
+}
+
+void glutMenuStateFunc(void (*func)(int state))
+{
+}
+
+int glutGet(GLenum type)
+{
+	switch(type)
+	{
+		case GLUT_WINDOW_X:	
+		return 0;
+		case GLUT_WINDOW_Y:
+		return 0;
+		case GLUT_WINDOW_WIDTH:
+		return __glut_width;
+		case GLUT_WINDOW_HEIGHT:
+		return __glut_height;
+		case GLUT_MENU_NUM_ITEMS:
+		if (curmenu) 
+		  return curmenu->num_entries;
+		else 
+		  return 0;
+		default:
+		glut_ggiDEBUG("glutGet: unknown type %i\n", type);
+	}
+	return 0;
+}
+
+void glutSpecialFunc(void (*special)(int key, int x, int y))
+{
+  __glut_special=special;
+}
+
+void glutDisplayFunc(void (*disp)(void))
+{
+  __glut_display=disp;
+}
+
+void glutSetColor(int index, GLfloat red, GLfloat green, GLfloat blue)
+{
+  ggi_color c;
+  GLfloat max;
+  
+  if (red > 1.0) red = 1.0;
+  if (red < 0.0) red = 0.0;
+  if (green > 1.0) green = 1.0;
+  if (green < 0.0) green = 0.0;
+  if (blue > 1.0) blue = 1.0;
+  if (blue < 0.0) blue = 0.0;
+  
+  max = (float)((1 << GGI_COLOR_PRECISION) - 1);
+  
+  c.r = (int)(max * red);
+  c.g = (int)(max * green);
+  c.b = (int)(max * blue);
+  ggiSetPalette(__glut_vis, index, 1, &c);
+}
+
+void glutPostRedisplay(void)
+{
+  __glut_redisplay = GL_TRUE;
+}
+
+void glutPostWindowRedisplay(int win)
+{
+  __glut_redisplay = GL_TRUE;
+}
+
+void glutSwapBuffers(void)
+{
+  GGIMesaSwapBuffers();
+}
+
+void glutIdleFunc(void (*idle)(void))
+{
+  __glut_idle = idle;
+}
+
+static void keyboard(ggi_event *ev)
+{
+	int sym;
+	int modifer = 0, key = 0;
+  
+	sym = ev->key.sym;
+  
+	modifer = ev->key.modifiers;
+	if (modifer == GII_KM_SHIFT)
+	  __glut_mod_keys |= GLUT_ACTIVE_SHIFT;
+	if (modifer == GII_KM_CTRL)
+	  __glut_mod_keys |= GLUT_ACTIVE_CTRL;
+	if (modifer == GII_KM_ALT)
+	  __glut_mod_keys |= GLUT_ACTIVE_ALT;
+
+	/* if (__glut_special && key) __glut_special(GII_KTYP(key),0,0); */
+  
+	if (__glut_keyboard) 
+//	  __glut_keyboard(GII_UNICODE(sym), 0, 0);
+	  __glut_keyboard(sym, 0, 0);
+}
+
+static void mouseabs(ggi_event *ev)
+{
+  int oldx=mousex;
+  int oldy=mousey;
+  
+  mousex=ev->pmove.x;
+  mousey=ev->pmove.y;
+  
+  if (mousex<0) mousex=0;
+  if (mousey<0) mousey=0;
+  if (mousex>=__glut_width) mousex=__glut_width-1;
+  if (mousey>=__glut_height) mousey=__glut_height-1;
+  
+  if (mousex!=oldx || mousey!=oldy) mouse_moved=GL_TRUE;
+}
+
+static void mouse(ggi_event *ev)
+{
+  int oldx=mousex;
+  int oldy=mousey;
+  
+  mousex+=ev->pmove.x>>1;
+  mousey+=ev->pmove.y>>1;
+  
+  if (mousex<0) mousex=0;
+  if (mousey<0) mousey=0;
+  if (mousex>=__glut_width) mousex=__glut_width-1;
+  if (mousey>=__glut_height) mousey=__glut_height-1;
+  
+  if (mousex!=oldx || mousey!=oldy) mouse_moved=GL_TRUE;
+  
+}
+
+/* FIXME: Prototypes belong in headers, not here! [JMT] */
+static void showmenu(void);
+static int clickmenu(void);
+static void updatemouse(void);
+static void drawmouse(void);
+
+static void mousemove(void)
+{
+  if (mouse_moved) {
+    if (__glut_motion && mouse_down) {
+      __glut_motion(mousex,mousey);
+    }
+    
+    if (__glut_passive_motion && (!mouse_down)) {
+      __glut_passive_motion(mousex,mousey);
+    }
+
+    if (__glut_menuactive) updatemouse();
+    mouse_moved=GL_FALSE;
+  }
+}
+
+static void button(ggi_event *ev)
+{
+  int i;
+  int btn[4]={0,GLUT_LEFT_BUTTON,GLUT_RIGHT_BUTTON,GLUT_MIDDLE_BUTTON};
+  mousemove();
+  
+  if (ev->pbutton.button <= 3) { /* GGI can have >3 buttons ! */ 
+    char state = ev->any.type == evPtrButtonPress ?GLUT_DOWN:GLUT_UP;
+    if (__glut_menuactive) {
+      if (state==GLUT_UP && clickmenu()) {
+	glutPostRedisplay();
+	__glut_menuactive=GL_FALSE;
+      }
+    } else
+      if (btn[ev->pbutton.button]==__glut_menubutton) {
+	__glut_menuactive=GL_TRUE;
+	activemenu=mainmenu;
+	showmenu();
+      } else 
+	if (__glut_mouse) {
+	  __glut_mouse(btn[ev->pbutton.button],state,mousex,mousey);
+	}
+    if (state==GLUT_DOWN) {
+      mouse_down|=(1<<(ev->pbutton.button-1));
+    }
+    else mouse_down&=~(1<<(ev->pbutton.button-1));
+  }
+}
+
+void glutMainLoop(void)
+{
+	ggi_event ev;
+	ggi_event_mask evmask = (emKeyPress | emKeyRepeat | emPtrMove | emPtrButton);
+  
+	ggiSetEventMask(__glut_vis, evmask);
+	
+	glutPostRedisplay();
+	
+	if (__glut_visibility) 
+	  __glut_visibility(GLUT_VISIBLE);
+	
+	while (1) 
+	{
+		if (!__glut_menuactive) 
+		{
+			if (__glut_idle) 
+			  __glut_idle();
+			if (__glut_redisplay && __glut_display) 
+			{
+				__glut_redisplay = GL_FALSE;
+				__glut_display();
+			}
+		}
+		
+		while (1) 
+		{
+			struct timeval t = {0, 0};
+			
+			if (ggiEventPoll(__glut_vis, evmask, &t) == 0) 
+			  break;
+			
+			ggiEventRead(__glut_vis, &ev, evmask);
+      
+			switch (ev.any.type) 
+			{
+				case evKeyPress:
+				case evKeyRepeat:
+				keyboard(&ev);
+				break;
+				case evPtrAbsolute:
+				mouseabs(&ev);
+				break;
+				case evPtrRelative:
+				mouse(&ev);
+				break;
+				case evPtrButtonPress:
+				case evPtrButtonRelease:
+				button(&ev);
+				break;
+			}
+		}
+		mousemove();
+	}
+}
+
+static void showmenu()
+{
+  int y,i;
+  ggi_color col={0xffff,0xffff,0xffff};
+  
+  ggiSetGCForeground(__glut_vis,ggiMapColor(__glut_vis,&col));
+  ggiSetOrigin(__glut_vis,0,0);
+  
+  for (y=i=0;i<activemenu->num_entries;i++,y+=8) {
+    ggiPuts(__glut_vis,0,y,activemenu->label[i]);
+  }
+  drawmouse();
+}
+
+static int clickmenu(void)
+{
+  int i;
+  int w,h;
+  
+  i=mousey/8;
+  
+  if (i>=activemenu->num_entries) return GL_TRUE;
+  if (mousex>=8*strlen(activemenu->label[i])) return GL_TRUE;
+  
+  if (activemenu->submenu[i]) {
+    ggi_color col={0,0,0};
+    ggiSetGCForeground(__glut_vis,ggiMapColor(__glut_vis,&col));
+    h=activemenu->num_entries*8;
+    w=activemenu->max_strlen*8;
+    ggiDrawBox(__glut_vis,0,0,w,h);
+    activemenu=activemenu->submenu[i];
+    showmenu();
+    return GL_FALSE;
+  }
+  curmenu=activemenu;
+  activemenu->func(activemenu->value[i]);
+  return GL_TRUE;
+}
+
+static int oldx=-1;
+static int oldy=-1;
+static char buffer[16*16*4];
+
+static void updatemouse()
+{
+  ggiPutBox(__glut_vis,oldx,oldy,16,16,buffer);
+  drawmouse();
+}
+
+static void drawmouse()
+{
+  int x,y;
+  x=mousex-8;
+  if (x<0) x=0;
+  y=mousey-8;
+  if (y<0) y=0;
+  ggiGetBox(__glut_vis,x,y,16,16,buffer);
+  ggiDrawLine(__glut_vis,mousex-2,mousey,mousex+2,mousey);
+  ggiDrawLine(__glut_vis,mousex,mousey-2,mousex,mousey+2);
+  oldx=x;
+  oldy=y;
+}
+
+int glutCreateMenu(void(*func)(int))
+{
+  menu_t *m;
+  m=malloc(sizeof(menu_t));
+  memset(m,0,sizeof(menu_t));
+  curmenu=m;
+  curmenu->func=func;
+  return (int)curmenu;	
+}
+
+static void addEntry(const char *label,int value,menu_t *submenu)
+{
+  int i=curmenu->num_entries;	
+  /* printf("%i %i %s %p\n",i,value,label,submenu); */
+  if (i<MAX_ENTRIES) {
+    curmenu->label[i]=strdup(label);
+    curmenu->value[i]=value;
+    curmenu->submenu[i]=submenu;
+    
+    if (strlen(label)>curmenu->max_strlen)
+      curmenu->max_strlen=strlen(label);
+    curmenu->num_entries++;
+  }
+}
+
+void glutAddMenuEntry(const char *label,int value)
+{
+  addEntry(label,value,NULL);
+}
+
+void glutAddSubMenu(const char *label,int submenu)
+{
+  char text[100];
+  
+  if (!curmenu) return;
+  strncpy(text,label,98);
+  text[98]=0;
+  text[strlen(text)+1]=0;
+  text[strlen(text)]='>';
+  
+  addEntry(text,0,(menu_t *) submenu);
+}
+
+void glutAttachMenu(int button)
+{
+  mainmenu=curmenu;
+  __glut_menubutton=button;
+}
+
+void glutDetachMenu(int button)
+{
+}
+
+void glutVisibilityFunc(void (*func)(int state))
+{
+  __glut_visibility=func;
+}
+
+void glutMouseFunc(void (*mouse)(int, int, int, int))
+{
+  __glut_mouse=mouse;	
+}
+
+void glutMotionFunc(void (*motion)(int,int))
+{
+  __glut_motion=motion;
+}
+
+void glutPassiveMotionFunc(void (*motion)(int,int))
+{
+  __glut_passive_motion=motion;
+}
+
+void glutSetWindowTitle(const char *title)
+{
+}
+
+void glutSetIconTitle(const char *title)
+{
+}
+
+void glutChangeToMenuEntry(int item,const char *label,int value)
+{
+  if (item>0 && item<=curmenu->num_entries) {
+    item--;
+    free(curmenu->label[item]);
+    curmenu->label[item]=strdup(label);
+    curmenu->value[item]=value;
+    curmenu->submenu[item]=NULL;
+  }
+}
+void glutChangeToSubMenu(int item,const char *label,int submenu)
+{
+  if (item>0 && item<=curmenu->num_entries) {
+    item--;
+    free(curmenu->label[item]);
+    curmenu->label[item]=strdup(label);
+    curmenu->value[item]=0;
+    curmenu->submenu[item]=(menu_t *)submenu;
+  }
+}
+
+void glutDestroyMenu(int menu)
+{
+  menu_t *m=(menu_t *)menu;
+  int i;
+  
+  for (i=0;i<m->num_entries;i++) {
+    free(m->label[i]);
+  }
+  free(m);
+}
+
+int glutCreateSubWindow(int win,int x,int y,int w,int h)
+{
+  return 0;
+}
+
+void glutDestroyWindow(int win)
+{
+}
+
+int glutGetWindow(void)
+{
+  return 0;
+}
+
+void glutSetWindow(int win)
+{
+}
+
+void glutPositionWindow(int x,int y)
+{
+}
+
+void glutReshapeWindow(int x,int y)
+{
+}
+
+void glutPushWindow(void)
+{
+}
+
+void glutPopWindow(void)
+{
+}
+
+void glutIconifyWindow(void)
+{
+}
+
+void glutShowWindow()
+{
+}
+
+void glutHideWindow()
+{
+}
+
+void glutSetCursor(int cursor)
+{
+}
+
+void glutWarpPointer(int x,int y)
+{
+}
+
+void glutEstablishOverlay(void)
+{
+}
+
+void glutRemoveOverlay(void)
+{
+}
+
+void glutUseLayer(GLenum layer)
+{
+}
+
+int glutLayerGet(GLenum type)
+{
+	return 0;
+}
+
+void glutPostOverlayRedisplay(void)
+{
+}
+
+void glutPostWindowOverlayRedisplay(int w)
+{
+}
+
+void glutShowOverlay(void)
+{
+}
+
+void glutHideOverlay(void)
+{
+}
+
+int glutGetMenu(void)
+{
+	return 0;
+}
+
+void glutSetMenu(int menu)
+{
+}
+
+void glutRemoveMenuItem(int item)
+{
+}
+
+void glutSpaceBallMotionFunc(void (*func)(int key,int x,int y))
+{
+}
+
+void glutSpaceBallRotateFunc(void (*func)(int x,int y,int z))
+{
+}
+
+void glutSpaceBallButtonFunc(void (*func)(int button,int state))
+{
+}
+
+void glutCopyColormap(int win)
+{
+}
+
+int glutDeviceGet(GLenum param)
+{
+	return 0;
+}