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Diffstat (limited to 'progs/tests/mipmap_comp_tests.c')
-rw-r--r-- | progs/tests/mipmap_comp_tests.c | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/progs/tests/mipmap_comp_tests.c b/progs/tests/mipmap_comp_tests.c deleted file mode 100644 index b93a5c61393..00000000000 --- a/progs/tests/mipmap_comp_tests.c +++ /dev/null @@ -1,316 +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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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_comp - * Test compressed texture mipmaps - * - * Based on mipmap_limits - */ - -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <GL/glew.h> -#include <GL/glut.h> - -#define SIZE 16 /* not larger then 16 */ - -static GLint BaseLevel = 0, MaxLevel ; -static GLfloat MinLod, MaxLod; -static GLfloat LodBias; -static GLboolean NearestFilter; -static GLuint texImage; -static GLuint View; - -struct view { - GLfloat minLod; - GLfloat maxLod; - const char *string; -}; - -static struct view views[] = -{ - { 0, 0, "Green" }, - { 0, 1, "Green, Red" }, - { 0, 2, "Green, Red, Blue" }, - { 0, 3, "Green, Red, Blue, Black" }, - { 0, 4, "Green, Red, Blue, Black, White" }, - { 1, 4, "Red, Blue, Black, White" }, - { 2, 4, "Blue, Black, White" }, - { 3, 4, "Black, White" }, - { 4, 4, "White" }, - { 3, 3, "Black" }, - { 2, 2, "Blue" }, - { 1, 1, "Red" }, - { 1, 3, "Red, Blue, Black" }, - { 1, 2, "Red, Blue" }, - { 2, 3, "Blue, Black" }, - { 0, 0, NULL }, -}; - -static void -initValues(void) -{ - View = 12; - BaseLevel = 0; - MaxLevel = 9; - MinLod = views[View].minLod; - MaxLod = views[View].maxLod; - LodBias = 5.0; - NearestFilter = GL_TRUE; -} - - -static void -changeView(void) -{ - if (views[++View].string == NULL) - View = 0; - - MinLod = views[View].minLod; - MaxLod = views[View].maxLod; -} - - -static void -makeImage(int level, int width, int height) -{ - GLubyte img[SIZE*SIZE*3]; - GLubyte color[5][3] = { - { 0, 255, 0 }, - { 255, 0, 0 }, - { 0, 0, 255 }, - { 0, 0, 0 }, - { 255, 255, 255 }, - }; - int i, j; - - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) { - int k = (i * width + j) * 3; - img[k + 0] = color[level][0]; - img[k + 1] = color[level][1]; - img[k + 2] = color[level][2]; - } - } - - glTexImage2D(GL_TEXTURE_2D, level, - GL_COMPRESSED_RGB_S3TC_DXT1_EXT, - width, height, 0, - GL_RGB, GL_UNSIGNED_BYTE, img); -} - - -static void -makeImages(void) -{ - int i, sz; - - for (i = 0, sz = SIZE; sz >= 1; i++, sz /= 2) { - makeImage(i, sz, sz); - printf("Level %d size: %d x %d\n", i, sz, sz); - } -} - - -static void -myInit(void) -{ - - initValues(); - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LESS); - glShadeModel(GL_FLAT); - - glTranslatef(0.0, 0.0, -3.6); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glGenTextures(1, &texImage); - glBindTexture(GL_TEXTURE_2D, texImage); - makeImages(); - - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); - glEnable(GL_TEXTURE_2D); -} - - -static void -display(void) -{ - GLfloat tcm = 1.0; - glBindTexture(GL_TEXTURE_2D, texImage); - - printf("BASE_LEVEL=%d MAX_LEVEL=%d MIN_LOD=%.2g MAX_LOD=%.2g Bias=%.2g Filter=%s\n", - BaseLevel, MaxLevel, MinLod, MaxLod, LodBias, - NearestFilter ? "NEAREST" : "LINEAR"); - printf("You should see: %s\n", views[View].string ); - fflush(stdout); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, BaseLevel); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, MaxLevel); - - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, MinLod); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, MaxLod); - - if (NearestFilter) { - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, - GL_NEAREST_MIPMAP_NEAREST); - } - else { - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, - GL_LINEAR_MIPMAP_LINEAR); - } - - glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, LodBias); - - 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, tcm); glVertex3f(-2.0, 1.0, 0.0); - glTexCoord2f(tcm * 3000.0, tcm); glVertex3f(3000.0, 1.0, -6000.0); - glTexCoord2f(tcm * 3000.0, 0.0); glVertex3f(3000.0, -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) -{ - (void) x; - (void) y; - switch (k) { -#if 0 - case 'b': - BaseLevel--; - if (BaseLevel < 0) - BaseLevel = 0; - break; - case 'B': - BaseLevel++; - if (BaseLevel > 10) - BaseLevel = 10; - break; - case 'm': - MaxLevel--; - if (MaxLevel < 0) - MaxLevel = 0; - break; - case 'M': - MaxLevel++; - if (MaxLevel > 10) - MaxLevel = 10; - break; - case 'l': - LodBias -= 0.25; - break; - case 'L': - LodBias += 0.25; - break; - case 'n': - MinLod -= 0.25; - break; - case 'N': - MinLod += 0.25; - break; - case 'x': - MaxLod -= 0.25; - break; - case 'X': - MaxLod += 0.25; - break; - case 'f': - NearestFilter = !NearestFilter; - break; -#endif - case ' ': - initValues(); - break; - case 27: /* Escape */ - exit(0); - break; - default: - changeView(); - break; - } - glutPostRedisplay(); -} - - -static void -usage(void) -{ - printf("usage:\n"); - printf(" Any Change view\n"); - printf(" SPACE reset values\n"); -} - - -int -main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); - glutInitWindowSize (600, 600); - glutCreateWindow (argv[0]); - glewInit(); - myInit(); - glutReshapeFunc (myReshape); - glutDisplayFunc(display); - glutKeyboardFunc(key); - usage(); - glutMainLoop(); - return 0; /* ANSI C requires main to return int. */ -} |