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Diffstat (limited to 'progs/redbook/texprox.c')
-rw-r--r-- | progs/redbook/texprox.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/progs/redbook/texprox.c b/progs/redbook/texprox.c deleted file mode 100644 index c2d699a71b..0000000000 --- a/progs/redbook/texprox.c +++ /dev/null @@ -1,120 +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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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. - */ - -/* - * texprox.c - * The brief program illustrates use of texture proxies. - * This program only prints out some messages about whether - * certain size textures are supported and then exits. - */ -#include <GL/glut.h> -#include <stdlib.h> -#include <stdio.h> - -#ifdef GL_VERSION_1_1 - -/* Microsoft OpenGL 1.1's <GL/gl.h> forgets to define - GL_TEXTURE_INTERNAL_FORMAT. */ -#ifndef GL_TEXTURE_INTERNAL_FORMAT -#define GL_TEXTURE_INTERNAL_FORMAT GL_TEXTURE_COMPONENTS -#endif - -static void init(void) -{ - GLint proxyComponents; - - putchar('\n'); - - glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA8, - 64, 64, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); - glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, - GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents); - printf ("Proxying 64x64 level 0 RGBA8 texture (level 0)\n"); - if (proxyComponents == GL_RGBA8) - printf ("proxy allocation succeeded\n"); - else - printf ("proxy allocation failed\n"); - putchar('\n'); - - glTexImage2D(GL_PROXY_TEXTURE_2D, 0, GL_RGBA16, - 2048, 2048, 0, - GL_RGBA, GL_UNSIGNED_SHORT, NULL); - glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, - GL_TEXTURE_INTERNAL_FORMAT, &proxyComponents); - printf ("Proxying 2048x2048 level 0 RGBA16 texture (big so unlikely to be supported)\n"); - if (proxyComponents == GL_RGBA16) - printf ("proxy allocation succeeded\n"); - else - printf ("proxy allocation failed\n"); - putchar('\n'); -} - -static void display(void) -{ - exit(0); -} - -static void reshape (int w, int h) -{ - glViewport (0, 0, (GLsizei) w, (GLsizei) h); - glMatrixMode (GL_PROJECTION); - glLoadIdentity (); -} - -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB); - glutInitWindowSize (500, 500); - glutInitWindowPosition (100, 100); - glutCreateWindow (argv[0]); - init (); - glutDisplayFunc(display); - glutReshapeFunc(reshape); - 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.\n"); - fprintf (stderr, "If your implementation of OpenGL Version 1.0 has the right extensions,\n"); - fprintf (stderr, "you may be able to modify this program to make it run.\n"); - return 0; -} -#endif |