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Diffstat (limited to 'progs/tests/arbnpot-mipmap.c')
| -rw-r--r-- | progs/tests/arbnpot-mipmap.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/progs/tests/arbnpot-mipmap.c b/progs/tests/arbnpot-mipmap.c deleted file mode 100644 index 700ec0b09d0..00000000000 --- a/progs/tests/arbnpot-mipmap.c +++ /dev/null @@ -1,186 +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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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. - */ -/* mipmap.c - * This program demonstrates using mipmaps for texture maps. - * To overtly show the effect of mipmaps, each mipmap reduction - * level has a solidly colored, contrasting texture image. - * Thus, the quadrilateral which is drawn is drawn with several - * different colors. - */ -#include <stdlib.h> -#include <stdio.h> -#include <GL/glew.h> -#include <GL/glut.h> - -GLubyte mipmapImage32[40][46][3]; -GLubyte mipmapImage16[20][23][3]; -GLubyte mipmapImage8[10][11][3]; -GLubyte mipmapImage4[5][5][3]; -GLubyte mipmapImage2[2][2][3]; -GLubyte mipmapImage1[1][1][3]; - -static void makeImages(void) -{ - int i, j; - - for (i = 0; i < 40; i++) { - for (j = 0; j < 46; j++) { - mipmapImage32[i][j][0] = 255; - mipmapImage32[i][j][1] = 255; - mipmapImage32[i][j][2] = 0; - } - } - for (i = 0; i < 20; i++) { - for (j = 0; j < 23; j++) { - mipmapImage16[i][j][0] = 255; - mipmapImage16[i][j][1] = 0; - mipmapImage16[i][j][2] = 255; - } - } - for (i = 0; i < 10; i++) { - for (j = 0; j < 11; j++) { - mipmapImage8[i][j][0] = 255; - mipmapImage8[i][j][1] = 0; - mipmapImage8[i][j][2] = 0; - } - } - for (i = 0; i < 5; i++) { - for (j = 0; j < 5; j++) { - mipmapImage4[i][j][0] = 0; - mipmapImage4[i][j][1] = 255; - mipmapImage4[i][j][2] = 0; - } - } - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++) { - mipmapImage2[i][j][0] = 0; - mipmapImage2[i][j][1] = 0; - mipmapImage2[i][j][2] = 255; - } - } - mipmapImage1[0][0][0] = 255; - mipmapImage1[0][0][1] = 255; - mipmapImage1[0][0][2] = 255; -} - -static void myinit(void) -{ - if (!glutExtensionSupported("GL_ARB_texture_non_power_of_two")) { - printf("Sorry, this program requires GL_ARB_texture_non_power_of_two\n"); - exit(1); - } - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LESS); - glShadeModel(GL_FLAT); - - glTranslatef(0.0, 0.0, -3.6); - makeImages(); - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glTexImage2D(GL_TEXTURE_2D, 0, 3, 40, 46, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage32[0][0][0]); - glTexImage2D(GL_TEXTURE_2D, 1, 3, 20, 23, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage16[0][0][0]); - glTexImage2D(GL_TEXTURE_2D, 2, 3, 10, 11, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage8[0][0][0]); - glTexImage2D(GL_TEXTURE_2D, 3, 3, 5, 5, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage4[0][0][0]); - glTexImage2D(GL_TEXTURE_2D, 4, 3, 2, 2, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage2[0][0][0]); - glTexImage2D(GL_TEXTURE_2D, 5, 3, 1, 1, 0, - GL_RGB, GL_UNSIGNED_BYTE, &mipmapImage1[0][0][0]); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, - GL_NEAREST_MIPMAP_NEAREST); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); - glEnable(GL_TEXTURE_2D); -} - -static void display(void) -{ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glBegin(GL_QUADS); - glTexCoord2f(0.0, 0.0); glVertex3f(-2.0, -1.0, 0.0); - glTexCoord2f(0.0, 8.0); glVertex3f(-2.0, 1.0, 0.0); - glTexCoord2f(8.0, 8.0); glVertex3f(2000.0, 1.0, -6000.0); - glTexCoord2f(8.0, 0.0); glVertex3f(2000.0, -1.0, -6000.0); - glEnd(); - glFlush(); -} - -static void myReshape(int w, int h) -{ - glViewport(0, 0, w, h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30000.0); - 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(); -} - -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); - glutInitWindowSize (500, 500); - glutCreateWindow (argv[0]); - glewInit(); - myinit(); - glutReshapeFunc (myReshape); - glutDisplayFunc(display); - glutKeyboardFunc(key); - glutMainLoop(); - return 0; /* ANSI C requires main to return int. */ -} |