1 files changed, 0 insertions, 185 deletions
diff --git a/progs/redbook/alpha3D.c b/progs/redbook/alpha3D.c
deleted file mode 100644
index 494b1879d2..0000000000
--- a/progs/redbook/alpha3D.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Copyright (c) 1993-1997, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED 
- * Permission to use, copy, modify, and distribute this software for 
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that 
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. 
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
- * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- * 
- * US Government Users Restricted Rights 
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States.  Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
- */
-
-/*
- *  alpha3D.c
- *  This program demonstrates how to intermix opaque and
- *  alpha blended polygons in the same scene, by using 
- *  glDepthMask.  Press the 'a' key to animate moving the 
- *  transparent object through the opaque object.  Press 
- *  the 'r' key to reset the scene.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <GL/glut.h>
-
-#define MAXZ 8.0
-#define MINZ -8.0
-#define ZINC 4.
-
-static float solidZ = MAXZ;
-static float transparentZ = MINZ;
-static GLuint sphereList, cubeList;
-
-static void init(void)
-{
-   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 0.15 };
-   GLfloat mat_shininess[] = { 100.0 };
-   GLfloat position[] = { 0.5, 0.5, 1.0, 0.0 };
-
-   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
-   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
-   glLightfv(GL_LIGHT0, GL_POSITION, position);
-
-   glEnable(GL_LIGHTING);
-   glEnable(GL_LIGHT0);
-   glEnable(GL_DEPTH_TEST);
-
-   sphereList = glGenLists(1);
-   glNewList(sphereList, GL_COMPILE);
-      glutSolidSphere (0.4, 16, 16);
-   glEndList();
-
-   cubeList = glGenLists(1);
-   glNewList(cubeList, GL_COMPILE);
-      glutSolidCube (0.6);
-   glEndList();
-}
-
-static void display(void)
-{
-   GLfloat mat_solid[] = { 0.75, 0.75, 0.0, 1.0 };
-   GLfloat mat_zero[] = { 0.0, 0.0, 0.0, 1.0 };
-   GLfloat mat_transparent[] = { 0.0, 0.8, 0.8, 0.6 };
-   GLfloat mat_emission[] = { 0.0, 0.3, 0.3, 0.6 };
-
-   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix ();
-      glTranslatef (-0.15, -0.15, solidZ);
-      glMaterialfv(GL_FRONT, GL_EMISSION, mat_zero);
-      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_solid);
-      glCallList (sphereList);
-   glPopMatrix ();
-
-   glPushMatrix ();
-      glTranslatef (0.15, 0.15, transparentZ);
-      glRotatef (15.0, 1.0, 1.0, 0.0);
-      glRotatef (30.0, 0.0, 1.0, 0.0);
-      glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
-      glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_transparent);
-      glEnable (GL_BLEND);
-      glDepthMask (GL_FALSE);
-      glBlendFunc (GL_SRC_ALPHA, GL_ONE);
-      glCallList (cubeList);
-      glDepthMask (GL_TRUE);
-      glDisable (GL_BLEND);
-   glPopMatrix ();
-
-   glutSwapBuffers();
-}
-
-static void reshape(int w, int h)
-{
-   glViewport(0, 0, (GLint) w, (GLint) h);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   if (w <= h)
-      glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w,
-               1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
-   else
-      glOrtho (-1.5*(GLfloat)w/(GLfloat)h,
-               1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-}
-
-static void animate(void)
-{
-   static double t0 = -1.;
-   if (solidZ <= MINZ || transparentZ >= MAXZ)
-   {
-      glutIdleFunc(NULL);
-      t0 = -1.;
-   }
-   else {
-      double t, dt;
-      t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
-      if (t0 < 0.)
-         t0 = t;
-      dt = t - t0;
-      t0 = t;
-      solidZ -= ZINC*dt;
-      transparentZ += ZINC*dt;
-      glutPostRedisplay();
-   }
-}
-
-/* ARGSUSED1 */
-static void keyboard(unsigned char key, int x, int y)
-{
-   switch (key) {
-      case 'a':
-      case 'A':
-         solidZ = MAXZ;
-         transparentZ = MINZ;
-         glutIdleFunc(animate);
-         break;
-      case 'r':
-      case 'R':
-         solidZ = MAXZ;
-         transparentZ = MINZ;
-         glutPostRedisplay();
-         break;
-      case 27:
-        exit(0);
-    }
-}
-
-int main(int argc, char** argv)
-{
-   glutInit(&argc, argv);
-   glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
-   glutInitWindowSize(500, 500);
-   glutCreateWindow(argv[0]);
-   init();
-   glutReshapeFunc(reshape);
-   glutKeyboardFunc(keyboard);
-   glutDisplayFunc(display);
-   glutMainLoop();
-   return 0;
-}