+++ /dev/null
-/*
- * 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 <stdlib.h>
-#include <GL/glut.h>
-
-GLenum rgb, doubleBuffer;
-
-#include "tkmap.c"
-
-double plane[4] = {
- 1.0, 0.0, -1.0, 0.0
-};
-float rotX = 5.0, rotY = -5.0, zTranslate = -65.0;
-float fogDensity = 0.02;
-GLint cubeList = 1;
-
-float scp[18][3] = {
- {
- 1.000000, 0.000000, 0.000000
- },
- {
- 1.000000, 0.000000, 5.000000
- },
- {
- 0.707107, 0.707107, 0.000000
- },
- {
- 0.707107, 0.707107, 5.000000
- },
- {
- 0.000000, 1.000000, 0.000000
- },
- {
- 0.000000, 1.000000, 5.000000
- },
- {
- -0.707107, 0.707107, 0.000000
- },
- {
- -0.707107, 0.707107, 5.000000
- },
- {
- -1.000000, 0.000000, 0.000000
- },
- {
- -1.000000, 0.000000, 5.000000
- },
- {
- -0.707107, -0.707107, 0.000000
- },
- {
- -0.707107, -0.707107, 5.000000
- },
- {
- 0.000000, -1.000000, 0.000000
- },
- {
- 0.000000, -1.000000, 5.000000
- },
- {
- 0.707107, -0.707107, 0.000000
- },
- {
- 0.707107, -0.707107, 5.000000
- },
- {
- 1.000000, 0.000000, 0.000000
- },
- {
- 1.000000, 0.000000, 5.000000
- },
-};
-
-
-static void Build_lists(void)
-{
-
- glNewList(cubeList, GL_COMPILE);
- glBegin(GL_TRIANGLE_STRIP);
- glNormal3fv(scp[0]); glVertex3fv(scp[0]);
- glNormal3fv(scp[0]); glVertex3fv(scp[1]);
- glNormal3fv(scp[2]); glVertex3fv(scp[2]);
- glNormal3fv(scp[2]); glVertex3fv(scp[3]);
- glNormal3fv(scp[4]); glVertex3fv(scp[4]);
- glNormal3fv(scp[4]); glVertex3fv(scp[5]);
- glNormal3fv(scp[6]); glVertex3fv(scp[6]);
- glNormal3fv(scp[6]); glVertex3fv(scp[7]);
- glNormal3fv(scp[8]); glVertex3fv(scp[8]);
- glNormal3fv(scp[8]); glVertex3fv(scp[9]);
- glNormal3fv(scp[10]); glVertex3fv(scp[10]);
- glNormal3fv(scp[10]); glVertex3fv(scp[11]);
- glNormal3fv(scp[12]); glVertex3fv(scp[12]);
- glNormal3fv(scp[12]); glVertex3fv(scp[13]);
- glNormal3fv(scp[14]); glVertex3fv(scp[14]);
- glNormal3fv(scp[14]); glVertex3fv(scp[15]);
- glNormal3fv(scp[16]); glVertex3fv(scp[16]);
- glNormal3fv(scp[16]); glVertex3fv(scp[17]);
- glEnd();
- glEndList();
-}
-
-static void Init(void)
-{
- static float ambient[] = {0.1, 0.1, 0.1, 1.0};
- static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
- static float position[] = {90.0, 90.0, 0.0, 0.0};
- static float front_mat_shininess[] = {30.0};
- static float front_mat_specular[] = {0.0, 0.0, 0.0, 1.0};
- static float front_mat_diffuse[] = {0.0, 1.0, 0.0, 1.0};
- static float back_mat_shininess[] = {50.0};
- static float back_mat_specular[] = {0.0, 0.0, 1.0, 1.0};
- static float back_mat_diffuse[] = {1.0, 0.0, 0.0, 1.0};
- static float lmodel_ambient[] = {0.0, 0.0, 0.0, 1.0};
- static float fog_color[] = {0.8, 0.8, 0.8, 1.0};
-
- glFrontFace(GL_CW);
-
- glEnable(GL_DEPTH_TEST);
-
- glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, position);
- glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
- glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
-
- glMaterialfv(GL_FRONT, GL_SHININESS, front_mat_shininess);
- glMaterialfv(GL_FRONT, GL_SPECULAR, front_mat_specular);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, front_mat_diffuse);
- glMaterialfv(GL_BACK, GL_SHININESS, back_mat_shininess);
- glMaterialfv(GL_BACK, GL_SPECULAR, back_mat_specular);
- glMaterialfv(GL_BACK, GL_DIFFUSE, back_mat_diffuse);
-
- glEnable(GL_FOG);
- glFogi(GL_FOG_MODE, GL_EXP);
- glFogf(GL_FOG_DENSITY, fogDensity);
- if (rgb) {
- glFogfv(GL_FOG_COLOR, fog_color);
- glClearColor(0.8, 0.8, 0.8, 1.0);
- } else {
- glFogi(GL_FOG_INDEX, 1<<5);
- SetFogRamp(5, 3);
- glClearIndex(128);
- }
-
- Build_lists();
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(45.0, 1.0, 1.0, 200.0);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key2(int key, int x, int y)
-{
-
- switch (key) {
- case GLUT_KEY_UP:
- rotX -= 5;
- break;
- case GLUT_KEY_DOWN:
- rotX += 5;
- break;
- case GLUT_KEY_LEFT:
- rotY -= 5;
- break;
- case GLUT_KEY_RIGHT:
- rotY += 5;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- case 'D':
- if (rgb) {
- fogDensity *= 1.10;
- glFogf(GL_FOG_DENSITY, fogDensity);
- }
- break;
- case 'd':
- if (rgb) {
- fogDensity /= 1.10;
- glFogf(GL_FOG_DENSITY, fogDensity);
- }
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- glPushMatrix();
-
- glTranslatef(0, 0, zTranslate);
- glRotatef(rotY, 0,1,0);
- glRotatef(rotX, 1,0,0);
- glScalef(1.0, 1.0, 10.0);
-
- glCallList(cubeList);
-
- glPopMatrix();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_TRUE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-ci") == 0) {
- rgb = GL_FALSE;
- } else if (strcmp(argv[i], "-rgb") == 0) {
- rgb = GL_TRUE;
- } else if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } 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);
- }
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
-
- type = GLUT_DEPTH;
- type |= (rgb) ? GLUT_RGB : GLUT_INDEX;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- if (glutCreateWindow("Fog Test") == GL_FALSE) {
- exit(1);
- }
-
- InitMap();
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(Key2);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff