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-rw-r--r--progs/samples/texture.c474
1 files changed, 0 insertions, 474 deletions
diff --git a/progs/samples/texture.c b/progs/samples/texture.c
deleted file mode 100644
index 7ee41eef28..0000000000
--- a/progs/samples/texture.c
+++ /dev/null
@@ -1,474 +0,0 @@
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <stdlib.h>
-#include <GL/glut.h>
-
-
-#include "loadppm.c"
-
-GLenum doubleBuffer;
-
-char *texFileName = 0;
-PPMImage *image;
-
-float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
-float decal[] = {GL_DECAL};
-float modulate[] = {GL_MODULATE};
-float repeat[] = {GL_REPEAT};
-float clamp[] = {GL_CLAMP};
-float nr[] = {GL_NEAREST};
-float ln[] = {GL_LINEAR};
-float nr_mipmap_nr[] = {GL_NEAREST_MIPMAP_NEAREST};
-float nr_mipmap_ln[] = {GL_NEAREST_MIPMAP_LINEAR};
-float ln_mipmap_nr[] = {GL_LINEAR_MIPMAP_NEAREST};
-float ln_mipmap_ln[] = {GL_LINEAR_MIPMAP_LINEAR};
-GLint sphereMap[] = {GL_SPHERE_MAP};
-
-GLenum doSphere = GL_FALSE;
-float xRotation = 0.0, yRotation = 0.0, zTranslate = -3.125;
-
-GLint cube;
-float c[6][4][3] = {
- {
- {
- 1.0, 1.0, -1.0
- },
- {
- -1.0, 1.0, -1.0
- },
- {
- -1.0, -1.0, -1.0
- },
- {
- 1.0, -1.0, -1.0
- }
- },
- {
- {
- 1.0, 1.0, 1.0
- },
- {
- 1.0, 1.0, -1.0
- },
- {
- 1.0, -1.0, -1.0
- },
- {
- 1.0, -1.0, 1.0
- }
- },
- {
- {
- -1.0, 1.0, 1.0
- },
- {
- 1.0, 1.0, 1.0
- },
- {
- 1.0, -1.0, 1.0
- },
- {
- -1.0, -1.0, 1.0
- }
- },
- {
- {
- -1.0, 1.0, -1.0
- },
- {
- -1.0, 1.0, 1.0
- },
- {
- -1.0, -1.0, 1.0
- },
- {
- -1.0, -1.0, -1.0
- }
- },
- {
- {
- -1.0, 1.0, 1.0
- },
- {
- -1.0, 1.0, -1.0
- },
- {
- 1.0, 1.0, -1.0
- },
- {
- 1.0, 1.0, 1.0
- }
- },
- {
- {
- -1.0, -1.0, -1.0
- },
- {
- -1.0, -1.0, 1.0
- },
- {
- 1.0, -1.0, 1.0
- },
- {
- 1.0, -1.0, -1.0
- }
- }
-};
-static float n[6][3] = {
- {
- 0.0, 0.0, -1.0
- },
- {
- 1.0, 0.0, 0.0
- },
- {
- 0.0, 0.0, 1.0
- },
- {
- -1.0, 0.0, 0.0
- },
- {
- 0.0, 1.0, 0.0
- },
- {
- 0.0, -1.0, 0.0
- }
-};
-static float t[6][4][2] = {
- {
- {
- 1.1, 1.1
- },
- {
- -0.1, 1.1
- },
- {
- -0.1, -0.1
- },
- {
- 1.1, -0.1
- }
- },
- {
- {
- 1.1, 1.1
- },
- {
- -0.1, 1.1
- },
- {
- -0.1, -0.1
- },
- {
- 1.1, -0.1
- }
- },
- {
- {
- -0.1, 1.1
- },
- {
- 1.1, 1.1
- },
- {
- 1.1, -0.1
- },
- {
- -0.1, -0.1
- }
- },
- {
- {
- 1.1, 1.1
- },
- {
- -0.1, 1.1
- },
- {
- -0.1, -0.1
- },
- {
- 1.1, -0.1
- }
- },
- {
- {
- 1.1, 1.1
- },
- {
- -0.1, 1.1
- },
- {
- -0.1, -0.1
- },
- {
- 1.1, -0.1
- }
- },
- {
- {
- 1.1, 1.1
- },
- {
- -0.1, 1.1
- },
- {
- -0.1, -0.1
- },
- {
- 1.1, -0.1
- }
- },
-};
-
-static void BuildCube(void)
-{
- GLint i;
-
- glNewList(cube, GL_COMPILE);
- for (i = 0; i < 6; i++) {
- glBegin(GL_POLYGON);
- glNormal3fv(n[i]); glTexCoord2fv(t[i][0]); glVertex3fv(c[i][0]);
- glNormal3fv(n[i]); glTexCoord2fv(t[i][1]); glVertex3fv(c[i][1]);
- glNormal3fv(n[i]); glTexCoord2fv(t[i][2]); glVertex3fv(c[i][2]);
- glNormal3fv(n[i]); glTexCoord2fv(t[i][3]); glVertex3fv(c[i][3]);
- glEnd();
- }
- glEndList();
-}
-
-static void BuildLists(void)
-{
-
- cube = glGenLists(1);
- BuildCube();
-}
-
-static void Init(void)
-{
-
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->sizeX, image->sizeY,
- GL_RGB, GL_UNSIGNED_BYTE, image->data);
- glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, decal);
- glEnable(GL_TEXTURE_2D);
-
- glFrontFace(GL_CCW);
- glCullFace(GL_FRONT);
- glEnable(GL_CULL_FACE);
-
- BuildLists();
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
-
- magFilter = nr;
- minFilter = nr;
- sWrapMode = repeat;
- tWrapMode = repeat;
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(145.0, 1.0, 0.01, 1000);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key2(int key, int x, int y)
-{
-
- switch (key) {
- case GLUT_KEY_LEFT:
- yRotation -= 0.5;
- break;
- case GLUT_KEY_RIGHT:
- yRotation += 0.5;
- break;
- case GLUT_KEY_UP:
- xRotation -= 0.5;
- break;
- case GLUT_KEY_DOWN:
- xRotation += 0.5;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
-
- case 'T':
- zTranslate += 0.25;
- break;
- case 't':
- zTranslate -= 0.25;
- break;
-
- case 's':
- doSphere = !doSphere;
- if (doSphere) {
- glTexGeniv(GL_S, GL_TEXTURE_GEN_MODE, sphereMap);
- glTexGeniv(GL_T, GL_TEXTURE_GEN_MODE, sphereMap);
- glEnable(GL_TEXTURE_GEN_S);
- glEnable(GL_TEXTURE_GEN_T);
- } else {
- glDisable(GL_TEXTURE_GEN_S);
- glDisable(GL_TEXTURE_GEN_T);
- }
- break;
-
- case '0':
- magFilter = nr;
- break;
- case '1':
- magFilter = ln;
- break;
- case '2':
- minFilter = nr;
- break;
- case '3':
- minFilter = ln;
- break;
- case '4':
- minFilter = nr_mipmap_nr;
- break;
- case '5':
- minFilter = nr_mipmap_ln;
- break;
- case '6':
- minFilter = ln_mipmap_nr;
- break;
- case '7':
- minFilter = ln_mipmap_ln;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
-
- glPushMatrix();
-
- glTranslatef(0.0, 0.0, zTranslate);
- glRotatef(xRotation, 1, 0, 0);
- glRotatef(yRotation, 0, 1, 0);
- glCallList(cube);
-
- glPopMatrix();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- doubleBuffer = GL_FALSE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else if (strcmp(argv[i], "-f") == 0) {
- if (i+1 >= argc || argv[i+1][0] == '-') {
- printf("-f (No file name).\n");
- return GL_FALSE;
- } else {
- texFileName = argv[++i];
- }
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- GLenum type;
-
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- if (texFileName == 0) {
- printf("No image file.\n");
- exit(1);
- }
-
- image = LoadPPM(texFileName);
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
-
- type = GLUT_RGB;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- if (glutCreateWindow("Texture Test") == GL_FALSE) {
- exit(1);
- }
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(Key2);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
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