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author | ftrapero <frantracer@gmail.com> | 2017-06-27 12:08:38 +0200 |
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committer | ftrapero <frantracer@gmail.com> | 2017-06-27 12:08:38 +0200 |
commit | b30506dface604c78e445905ce263f166945d67b (patch) | |
tree | 1c23f91f36eb445850b654daa9c5e30bb47072e5 /nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c | |
parent | c032f0e341c981036e9b3245a0e0710ad61599d0 (diff) | |
parent | 663631725ee2d633d9ec5821cd48953ffd188d00 (diff) | |
download | nx-libs-b30506dface604c78e445905ce263f166945d67b.tar.gz nx-libs-b30506dface604c78e445905ce263f166945d67b.tar.bz2 nx-libs-b30506dface604c78e445905ce263f166945d67b.zip |
Include mesa-6.4.2 project
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c new file mode 100644 index 000000000..6f1e853fa --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.2/progs/redbook/texprox.c @@ -0,0 +1,120 @@ +/* + * 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 + +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'); +} + +void display(void) +{ + exit(0); +} + +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 |