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authorftrapero <frantracer@gmail.com>2017-06-15 14:15:08 +0200
committerftrapero <frantracer@gmail.com>2017-06-15 14:15:08 +0200
commit459021c165c7023ee75f524060ca270985b547c1 (patch)
treeed3dfb281a1c00a9cf59ebf9d165e5a7a0f346bf /nx-X11/extras/Mesa_6.4.1/progs/redbook/scene.c
parent4f216e7cf7571885f2995433580c9a3ec068eef4 (diff)
parent8667d4d97a3e958a7f63c18c34a62469ba5d2079 (diff)
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Include mesa-6.4.1 project
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+
+/* 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+ * Unpublished-- rights reserved under the copyright laws of the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.
+ */
+/*
+ * scene.c
+ * This program demonstrates the use of the GL lighting model.
+ * Objects are drawn using a grey material characteristic.
+ * A single light source illuminates the objects.
+ */
+#include <stdlib.h>
+#include <GL/glut.h>
+
+/* Initialize material property and light source.
+ */
+void myinit (void)
+{
+ GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
+ GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
+ GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+/* light_position is NOT default value */
+ GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
+
+ glLightfv (GL_LIGHT0, GL_AMBIENT, light_ambient);
+ glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
+ glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
+ glLightfv (GL_LIGHT0, GL_POSITION, light_position);
+
+ glEnable (GL_LIGHTING);
+ glEnable (GL_LIGHT0);
+ glDepthFunc(GL_LESS);
+ glEnable(GL_DEPTH_TEST);
+}
+
+void display (void)
+{
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix ();
+ glRotatef (20.0, 1.0, 0.0, 0.0);
+
+ glPushMatrix ();
+ glTranslatef (-0.75, 0.5, 0.0);
+ glRotatef (90.0, 1.0, 0.0, 0.0);
+ glutSolidTorus (0.275, 0.85, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (-0.75, -0.5, 0.0);
+ glRotatef (270.0, 1.0, 0.0, 0.0);
+ glutSolidCone (1.0, 2.0, 15, 15);
+ glPopMatrix ();
+
+ glPushMatrix ();
+ glTranslatef (0.75, 0.0, -1.0);
+ glutSolidSphere (1.0, 15, 15);
+ glPopMatrix ();
+
+ glPopMatrix ();
+ glFlush ();
+}
+
+void myReshape(int w, int h)
+{
+ glViewport (0, 0, w, h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ if (w <= h)
+ glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
+ 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
+ else
+ glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
+ 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
+ glMatrixMode (GL_MODELVIEW);
+}
+
+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, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowSize (500, 500);
+ glutCreateWindow (argv[0]);
+ myinit ();
+ glutReshapeFunc (myReshape);
+ glutDisplayFunc(display);
+ glutKeyboardFunc(key);
+ glutMainLoop();
+ return 0; /* ANSI C requires main to return int. */
+}