1 files changed, 0 insertions, 217 deletions
diff --git a/progs/redbook/pickdepth.c b/progs/redbook/pickdepth.c
deleted file mode 100644
index 91d44a38c0..0000000000
--- a/progs/redbook/pickdepth.c
+++ /dev/null
@@ -1,217 +0,0 @@
-
-/* Copyright (c) Mark J. Kilgard, 1994. */
-
-/*
- * (c) Copyright 1993, 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- * Unpublished-- rights reserved under the copyright laws of the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(TM) is a trademark of Silicon Graphics, Inc.
- */
-/*
- *  pickdepth.c
- *  Picking is demonstrated in this program.  In
- *  rendering mode, three overlapping rectangles are
- *  drawn.  When the left mouse button is pressed,
- *  selection mode is entered with the picking matrix.
- *  Rectangles which are drawn under the cursor position
- *  are "picked."  Pay special attention to the depth
- *  value range, which is returned.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <GL/glut.h>
-
-static void
-myinit(void)
-{
-  glClearColor(0.0, 0.0, 0.0, 0.0);
-  glDepthFunc(GL_LESS);
-  glEnable(GL_DEPTH_TEST);
-  glShadeModel(GL_FLAT);
-  glDepthRange(0.0, 1.0);  /* The default z mapping */
-}
-
-/*  The three rectangles are drawn.  In selection mode,
- *  each rectangle is given the same name.  Note that
- *  each rectangle is drawn with a different z value.
- */
-static void
-drawRects(GLenum mode)
-{
-  if (mode == GL_SELECT)
-    glLoadName(1);
-  glBegin(GL_QUADS);
-  glColor3f(1.0, 1.0, 0.0);
-  glVertex3i(2, 0, 0);
-  glVertex3i(2, 6, 0);
-  glVertex3i(6, 6, 0);
-  glVertex3i(6, 0, 0);
-  glEnd();
-  if (mode == GL_SELECT)
-    glLoadName(2);
-  glBegin(GL_QUADS);
-  glColor3f(0.0, 1.0, 1.0);
-  glVertex3i(3, 2, -1);
-  glVertex3i(3, 8, -1);
-  glVertex3i(8, 8, -1);
-  glVertex3i(8, 2, -1);
-  glEnd();
-  if (mode == GL_SELECT)
-    glLoadName(3);
-  glBegin(GL_QUADS);
-  glColor3f(1.0, 0.0, 1.0);
-  glVertex3i(0, 2, -2);
-  glVertex3i(0, 7, -2);
-  glVertex3i(5, 7, -2);
-  glVertex3i(5, 2, -2);
-  glEnd();
-}
-
-/*  processHits() prints out the contents of the
- *  selection array.
- */
-static void
-processHits(GLint hits, GLuint buffer[])
-{
-  GLint i;
-  GLuint j, names, *ptr;
-
-  printf("hits = %d\n", hits);
-  ptr = (GLuint *) buffer;
-  for (i = 0; i < hits; i++) {  /* for each hit  */
-    names = *ptr;
-    printf(" number of names for hit = %d\n", names);
-    ptr++;
-    printf("  z1 is %g;", (float) *ptr/0xffffffff);
-    ptr++;
-    printf(" z2 is %g\n", (float) *ptr/0xffffffff);
-    ptr++;
-    printf("   the name is ");
-    for (j = 0; j < names; j++) {  /* for each name */
-      printf("%d ", *ptr);
-      ptr++;
-    }
-    printf("\n");
-  }
-}
-
-/*  pickRects() sets up selection mode, name stack,
- *  and projection matrix for picking.  Then the objects
- *  are drawn.
- */
-#define BUFSIZE 512
-
-static void
-pickRects(int button, int state, int x, int y)
-{
-  GLuint selectBuf[BUFSIZE];
-  GLint hits;
-  GLint viewport[4];
-
-  if (button != GLUT_LEFT_BUTTON || state != GLUT_DOWN)
-    return;
-
-  glGetIntegerv(GL_VIEWPORT, viewport);
-
-  glSelectBuffer(BUFSIZE, selectBuf);
-  (void) glRenderMode(GL_SELECT);
-
-  glInitNames();
-  glPushName(-1);
-
-  glMatrixMode(GL_PROJECTION);
-  glPushMatrix();
-  glLoadIdentity();
-/*  create 5x5 pixel picking region near cursor location */
-  gluPickMatrix((GLdouble) x, (GLdouble) (viewport[3] - y),
-    5.0, 5.0, viewport);
-  glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
-  drawRects(GL_SELECT);
-  glPopMatrix();
-  glFlush();
-
-  hits = glRenderMode(GL_RENDER);
-  processHits(hits, selectBuf);
-}
-
-static void
-display(void)
-{
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-  drawRects(GL_RENDER);
-  glutSwapBuffers();
-}
-
-static void
-myReshape(int w, int h)
-{
-  glViewport(0, 0, w, h);
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  glOrtho(0.0, 8.0, 0.0, 8.0, -0.5, 2.5);
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-}
-
-static void
-key(unsigned char k, int x, int y)
-{
-  switch (k) {
-  case 27:  /* Escape */
-    exit(0);
-    break;
-  default:
-    return;
-  }
-  glutPostRedisplay();
-}
-
-/*  Main Loop
- *  Open window with initial window size, title bar,
- *  RGBA display mode, depth buffer, and handle input events.
- */
-int
-main(int argc, char **argv)
-{
-  glutInitWindowSize(200, 200);
-  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
-  glutInit(&argc, argv);
-  glutCreateWindow(argv[0]);
-  myinit();
-  glutMouseFunc(pickRects);
-  glutReshapeFunc(myReshape);
-  glutDisplayFunc(display);
-  glutKeyboardFunc(key);
-  glutMainLoop();
-  return 0;             /* ANSI C requires main to return int. */
-}