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Diffstat (limited to 'progs/redbook/texture3d.c')
| -rw-r--r-- | progs/redbook/texture3d.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/progs/redbook/texture3d.c b/progs/redbook/texture3d.c deleted file mode 100644 index c7b77c1cae..0000000000 --- a/progs/redbook/texture3d.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Copyright (c) 1993-2003, 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 Unpublished - rights - * reserved under the copyright laws of the United States.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. - * 1500 Crittenden Lane - * Mountain View, CA 94043 - * United State of America - * - * OpenGL(R) is a registered trademark of Silicon Graphics, Inc. - */ - -/* texture3d.c - * This program demonstrates using a three-dimensional texture. - * It creates a 3D texture and then renders two rectangles - * with different texture coordinates to obtain different - * "slices" of the 3D texture. - */ -#include <GL/glew.h> -#include <GL/glut.h> -#include <stdlib.h> -#include <stdio.h> - -#ifdef GL_VERSION_1_2 -#define iWidth 16 -#define iHeight 16 -#define iDepth 16 - -static GLubyte image[iDepth][iHeight][iWidth][3]; -static GLuint texName; - -/* Create a 16x16x16x3 array with different color values in - * each array element [r, g, b]. Values range from 0 to 255. - */ - -static void makeImage(void) -{ - int s, t, r; - - for (s = 0; s < 16; s++) - for (t = 0; t < 16; t++) - for (r = 0; r < 16; r++) { - image[r][t][s][0] = (GLubyte) (s * 17); - image[r][t][s][1] = (GLubyte) (t * 17); - image[r][t][s][2] = (GLubyte) (r * 17); - } -} - -static void init(void) -{ - glClearColor (0.0, 0.0, 0.0, 0.0); - glShadeModel(GL_FLAT); - glEnable(GL_DEPTH_TEST); - - makeImage(); - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - glGenTextures(1, &texName); - glBindTexture(GL_TEXTURE_3D, texName); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, - GL_NEAREST); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, - GL_NEAREST); - glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB, iWidth, iHeight, - iDepth, 0, GL_RGB, GL_UNSIGNED_BYTE, image); - glEnable(GL_TEXTURE_3D); -} - -static void display(void) -{ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glBegin(GL_QUADS); - glTexCoord3f(0.0, 0.0, 0.0); glVertex3f(-2.25, -1.0, 0.0); - glTexCoord3f(0.0, 1.0, 0.0); glVertex3f(-2.25, 1.0, 0.0); - glTexCoord3f(1.0, 1.0, 1.0); glVertex3f(-0.25, 1.0, 0.0); - glTexCoord3f(1.0, 0.0, 1.0); glVertex3f(-0.25, -1.0, 0.0); - - glTexCoord3f(0.0, 0.0, 1.0); glVertex3f(0.25, -1.0, 0.0); - glTexCoord3f(0.0, 1.0, 1.0); glVertex3f(0.25, 1.0, 0.0); - glTexCoord3f(1.0, 1.0, 0.0); glVertex3f(2.25, 1.0, 0.0); - glTexCoord3f(1.0, 0.0, 0.0); glVertex3f(2.25, -1.0, 0.0); - glEnd(); - glFlush(); -} - -static void reshape(int w, int h) -{ - glViewport(0, 0, (GLsizei) w, (GLsizei) h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluPerspective(60.0, (GLfloat) w/(GLfloat) h, 1.0, 30.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0.0, 0.0, -4.0); -} - -static void keyboard(unsigned char key, int x, int y) -{ - switch (key) { - case 27: - exit(0); - break; - } -} - -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); - glutInitWindowSize(250, 250); - glutInitWindowPosition(100, 100); - glutCreateWindow(argv[0]); - glewInit(); - init(); - glutReshapeFunc(reshape); - glutDisplayFunc(display); - glutKeyboardFunc (keyboard); - glutMainLoop(); - return 0; -} -#else -int main(int argc, char** argv) -{ - fprintf (stderr, "This program demonstrates a feature which is not in OpenGL Version 1.0 or 1.1.\n"); - fprintf (stderr, "If your implementation of OpenGL has the right extensions,\n"); - fprintf (stderr, "you may be able to modify this program to make it run.\n"); - return 0; -} -#endif - |