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path: root/dist/Mesa/progs/samples/sphere.c
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Diffstat (limited to 'dist/Mesa/progs/samples/sphere.c')
-rw-r--r--dist/Mesa/progs/samples/sphere.c1014
1 files changed, 0 insertions, 1014 deletions
diff --git a/dist/Mesa/progs/samples/sphere.c b/dist/Mesa/progs/samples/sphere.c
deleted file mode 100644
index 23d4fe32c..000000000
--- a/dist/Mesa/progs/samples/sphere.c
+++ /dev/null
@@ -1,1014 +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.
- */
-
-/* BEP: renamed "nearest" as "nnearest" to avoid math.h collision on AIX */
-
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <stdlib.h>
-#include <GL/glut.h>
-#include "readtex.h"
-
-
-#ifndef PI
-#define PI 3.14159265358979323846
-#endif
-
-
-GLenum doubleBuffer;
-int W = 400, H = 400;
-
-char *imageFileName = "../images/reflect.rgb";
-
-float *minFilter, *magFilter, *sWrapMode, *tWrapMode;
-float decal[] = {GL_DECAL};
-float modulate[] = {GL_MODULATE};
-float repeat[] = {GL_REPEAT};
-float clamp[] = {GL_CLAMP};
-float nnearest[] = {GL_NEAREST};
-float linear[] = {GL_LINEAR};
-float nearest_mipmap_nearest[] = {GL_NEAREST_MIPMAP_NEAREST};
-float nearest_mipmap_linear[] = {GL_NEAREST_MIPMAP_LINEAR};
-float linear_mipmap_nearest[] = {GL_LINEAR_MIPMAP_NEAREST};
-float linear_mipmap_linear[] = {GL_LINEAR_MIPMAP_LINEAR};
-GLint sphereMap[] = {GL_SPHERE_MAP};
-
-float xRotation = 0.0, yRotation = 0.0;
-float zTranslate = -3.0;
-GLenum autoRotate = GL_TRUE;
-GLboolean isLit = GL_TRUE;
-GLboolean isFogged = GL_FALSE;
-GLboolean doTexture = GL_TRUE;
-float *textureEnvironment = modulate;
-
-int cube, cage, cylinder, torus, genericObject;
-
-float c[6][4][4][3] = {
- {
- {
- {
- 1.0, 1.0, -1.0
- },
- {
- 0.0, 1.0, -1.0
- },
- {
- 0.0, 0.0, -1.0
- },
- {
- 1.0, 0.0, -1.0
- },
- },
- {
- {
- 0.0, 1.0, -1.0
- },
- {
- -1.0, 1.0, -1.0
- },
- {
- -1.0, 0.0, -1.0
- },
- {
- 0.0, 0.0, -1.0
- },
- },
- {
- {
- 0.0, 0.0, -1.0
- },
- {
- -1.0, 0.0, -1.0
- },
- {
- -1.0, -1.0, -1.0
- },
- {
- 0.0, -1.0, -1.0
- },
- },
- {
- {
- 1.0, 0.0, -1.0
- },
- {
- 0.0, 0.0, -1.0
- },
- {
- 0.0, -1.0, -1.0
- },
- {
- 1.0, -1.0, -1.0
- },
- },
- },
- {
- {
- {
- 1.0, 1.0, 1.0
- },
- {
- 1.0, 1.0, 0.0
- },
- {
- 1.0, 0.0, 0.0
- },
- {
- 1.0, 0.0, 1.0
- },
- },
- {
- {
- 1.0, 1.0, 0.0
- },
- {
- 1.0, 1.0, -1.0
- },
- {
- 1.0, 0.0, -1.0
- },
- {
- 1.0, 0.0, 0.0
- },
- },
- {
- {
- 1.0, 0.0, -1.0
- },
- {
- 1.0, -1.0, -1.0
- },
- {
- 1.0, -1.0, 0.0
- },
- {
- 1.0, 0.0, 0.0
- },
- },
- {
- {
- 1.0, 0.0, 0.0
- },
- {
- 1.0, -1.0, 0.0
- },
- {
- 1.0, -1.0, 1.0
- },
- {
- 1.0, 0.0, 1.0
- },
- },
- },
- {
- {
- {
- -1.0, 1.0, 1.0
- },
- {
- 0.0, 1.0, 1.0
- },
- {
- 0.0, 0.0, 1.0
- },
- {
- -1.0, 0.0, 1.0
- },
- },
- {
- {
- 0.0, 1.0, 1.0
- },
- {
- 1.0, 1.0, 1.0
- },
- {
- 1.0, 0.0, 1.0
- },
- {
- 0.0, 0.0, 1.0
- },
- },
- {
- {
- 1.0, 0.0, 1.0
- },
- {
- 1.0, -1.0, 1.0
- },
- {
- 0.0, -1.0, 1.0
- },
- {
- 0.0, 0.0, 1.0
- },
- },
- {
- {
- 0.0, -1.0, 1.0
- },
- {
- -1.0, -1.0, 1.0
- },
- {
- -1.0, 0.0, 1.0
- },
- {
- 0.0, 0.0, 1.0
- },
- },
- },
- {
- {
- {
- -1.0, 1.0, -1.0
- },
- {
- -1.0, 1.0, 0.0
- },
- {
- -1.0, 0.0, 0.0
- },
- {
- -1.0, 0.0, -1.0
- },
- },
- {
- {
- -1.0, 1.0, 0.0
- },
- {
- -1.0, 1.0, 1.0
- },
- {
- -1.0, 0.0, 1.0
- },
- {
- -1.0, 0.0, 0.0
- },
- },
- {
- {
- -1.0, 0.0, 1.0
- },
- {
- -1.0, -1.0, 1.0
- },
- {
- -1.0, -1.0, 0.0
- },
- {
- -1.0, 0.0, 0.0
- },
- },
- {
- {
- -1.0, -1.0, 0.0
- },
- {
- -1.0, -1.0, -1.0
- },
- {
- -1.0, 0.0, -1.0
- },
- {
- -1.0, 0.0, 0.0
- },
- },
- },
- {
- {
- {
- -1.0, 1.0, 1.0
- },
- {
- -1.0, 1.0, 0.0
- },
- {
- 0.0, 1.0, 0.0
- },
- {
- 0.0, 1.0, 1.0
- },
- },
- {
- {
- -1.0, 1.0, 0.0
- },
- {
- -1.0, 1.0, -1.0
- },
- {
- 0.0, 1.0, -1.0
- },
- {
- 0.0, 1.0, 0.0
- },
- },
- {
- {
- 0.0, 1.0, -1.0
- },
- {
- 1.0, 1.0, -1.0
- },
- {
- 1.0, 1.0, 0.0
- },
- {
- 0.0, 1.0, 0.0
- },
- },
- {
- {
- 1.0, 1.0, 0.0
- },
- {
- 1.0, 1.0, 1.0
- },
- {
- 0.0, 1.0, 1.0
- },
- {
- 0.0, 1.0, 0.0
- },
- },
- },
- {
- {
- {
- -1.0, -1.0, -1.0
- },
- {
- -1.0, -1.0, 0.0
- },
- {
- 0.0, -1.0, 0.0
- },
- {
- 0.0, -1.0, -1.0
- },
- },
- {
- {
- -1.0, -1.0, 0.0
- },
- {
- -1.0, -1.0, 1.0
- },
- {
- 0.0, -1.0, 1.0
- },
- {
- 0.0, -1.0, 0.0
- },
- },
- {
- {
- 0.0, -1.0, 1.0
- },
- {
- 1.0, -1.0, 1.0
- },
- {
- 1.0, -1.0, 0.0
- },
- {
- 0.0, -1.0, 0.0
- },
- },
- {
- {
- 1.0, -1.0, 0.0
- },
- {
- 1.0, -1.0, -1.0
- },
- {
- 0.0, -1.0, -1.0
- },
- {
- 0.0, -1.0, 0.0
- },
- },
- }
-};
-
-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
- }
-};
-
-GLfloat identity[16] = {
- 1, 0, 0, 0,
- 0, 1, 0, 0,
- 0, 0, 1, 0,
- 0, 0, 0, 1,
-};
-
-
-static void BuildCylinder(int numEdges)
-{
- int i, top = 1.0, bottom = -1.0;
- float x[100], y[100], angle;
-
- for (i = 0; i <= numEdges; i++) {
- angle = i * 2.0 * PI / numEdges;
- x[i] = cos(angle); /* was cosf() */
- y[i] = sin(angle); /* was sinf() */
- }
-
- glNewList(cylinder, GL_COMPILE);
- glBegin(GL_TRIANGLE_STRIP);
- for (i = 0; i <= numEdges; i++) {
- glNormal3f(x[i], y[i], 0.0);
- glVertex3f(x[i], y[i], bottom);
- glVertex3f(x[i], y[i], top);
- }
- glEnd();
- glBegin(GL_TRIANGLE_FAN);
- glNormal3f(0.0, 0.0, 1.0);
- glVertex3f(0.0, 0.0, top);
- for (i = 0; i <= numEdges; i++) {
- glVertex3f(x[i], -y[i], top);
- }
- glEnd();
- glBegin(GL_TRIANGLE_FAN);
- glNormal3f(0.0, 0.0, -1.0);
- glVertex3f(0.0, 0.0, bottom);
- for (i = 0; i <= numEdges; i++) {
- glVertex3f(x[i], y[i], bottom);
- }
- glEnd();
- glEndList();
-}
-
-static void BuildTorus(float rc, int numc, float rt, int numt)
-{
- int i, j, k;
- double s, t;
- double x, y, z;
- double pi, twopi;
-
- pi = 3.14159265358979323846;
- twopi = 2.0 * pi;
-
- glNewList(torus, GL_COMPILE);
- for (i = 0; i < numc; i++) {
- glBegin(GL_QUAD_STRIP);
- for (j = 0; j <= numt; j++) {
- for (k = 0; k <= 1; k++) {
- s = (i + k) % numc + 0.5;
- t = j % numt;
-
- x = cos(t*twopi/numt) * cos(s*twopi/numc);
- y = sin(t*twopi/numt) * cos(s*twopi/numc);
- z = sin(s*twopi/numc);
- glNormal3f(x, y, z);
-
- x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt);
- y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt);
- z = rc * sin(s*twopi/numc);
- glVertex3f(x, y, z);
- }
- }
- glEnd();
- }
- glEndList();
-}
-
-static void BuildCage(void)
-{
- int i;
- float inc;
- float right, left, top, bottom, front, back;
-
- front = 0.0;
- back = -8.0;
-
- left = -4.0;
- bottom = -4.0;
- right = 4.0;
- top = 4.0;
-
- inc = 2.0 * 4.0 * 0.1;
-
- glNewList(cage, GL_COMPILE);
- for (i = 0; i < 10; i++) {
-
- /*
- ** Back
- */
- glBegin(GL_LINES);
- glVertex3f(left+i*inc, top, back);
- glVertex3f(left+i*inc, bottom, back);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(right, bottom+i*inc, back);
- glVertex3f(left, bottom+i*inc, back);
- glEnd();
-
- /*
- ** Front
- */
- glBegin(GL_LINES);
- glVertex3f(left+i*inc, top, front);
- glVertex3f(left+i*inc, bottom, front);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(right, bottom+i*inc, front);
- glVertex3f(left, bottom+i*inc, front);
- glEnd();
-
- /*
- ** Left
- */
- glBegin(GL_LINES);
- glVertex3f(left, bottom+i*inc, front);
- glVertex3f(left, bottom+i*inc, back);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(left, top, back+i*inc);
- glVertex3f(left, bottom, back+i*inc);
- glEnd();
-
- /*
- ** Right
- */
- glBegin(GL_LINES);
- glVertex3f(right, top-i*inc, front);
- glVertex3f(right, top-i*inc, back);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(right, top, back+i*inc);
- glVertex3f(right, bottom, back+i*inc);
- glEnd();
-
- /*
- ** Top
- */
- glBegin(GL_LINES);
- glVertex3f(left+i*inc, top, front);
- glVertex3f(left+i*inc, top, back);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(right, top, back+i*inc);
- glVertex3f(left, top, back+i*inc);
- glEnd();
-
- /*
- ** Bottom
- */
- glBegin(GL_LINES);
- glVertex3f(right-i*inc, bottom, front);
- glVertex3f(right-i*inc, bottom, back);
- glEnd();
- glBegin(GL_LINES);
- glVertex3f(right, bottom, back+i*inc);
- glVertex3f(left, bottom, back+i*inc);
- glEnd();
- }
- glEndList();
-}
-
-static void BuildCube(void)
-{
- int i, j;
-
- glNewList(cube, GL_COMPILE);
- for (i = 0; i < 6; i++) {
- for (j = 0; j < 4; j++) {
- glNormal3fv(n[i]);
- glBegin(GL_POLYGON);
- glVertex3fv(c[i][j][0]);
- glVertex3fv(c[i][j][1]);
- glVertex3fv(c[i][j][2]);
- glVertex3fv(c[i][j][3]);
- glEnd();
- }
- }
- glEndList();
-}
-
-static void BuildLists(void)
-{
-
- cube = glGenLists(1);
- BuildCube();
-
- cage = glGenLists(2);
- BuildCage();
-
- cylinder = glGenLists(3);
- BuildCylinder(60);
-
- torus = glGenLists(4);
- BuildTorus(0.65, 20, .85, 65);
-
- genericObject = torus;
-}
-
-static void SetDefaultSettings(void)
-{
-
- magFilter = nnearest;
- minFilter = nnearest;
- sWrapMode = repeat;
- tWrapMode = repeat;
- textureEnvironment = modulate;
- autoRotate = GL_TRUE;
-}
-
-static unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
-{
- unsigned char *outData, *out_ptr, *in_ptr;
- int i;
-
- outData = (unsigned char *) malloc(bufSize * 4);
- out_ptr = outData;
- in_ptr = inData;
-
- for (i = 0; i < bufSize; i++) {
- *out_ptr++ = *in_ptr++;
- *out_ptr++ = *in_ptr++;
- *out_ptr++ = *in_ptr++;
- *out_ptr++ = alpha;
- }
-
- free (inData);
- return outData;
-}
-
-static void Init(void)
-{
- float ambient[] = {0.0, 0.0, 0.0, 1.0};
- float diffuse[] = {1.0, 1.0, 1.0, 1.0};
- float specular[] = {1.0, 1.0, 1.0, 1.0};
- float position[] = {0.0, 0.0, 4.0, 0.0};
- float fog_color[] = {0.0, 0.0, 0.0, 1.0};
- float mat_ambient[] = {0.0, 0.0, 0.0, 1.0};
- float mat_shininess[] = {90.0};
- float mat_specular[] = {1.0, 1.0, 1.0, 1.0};
- float mat_diffuse[] = {0.8, 0.8, 0.8, 1.0};
- float lmodel_ambient[] = {0.2, 0.2, 0.2, 1.0};
- float lmodel_twoside[] = {GL_TRUE};
- int w, h;
- GLenum format;
- GLubyte *image;
-
- printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
- SetDefaultSettings();
-
- image = LoadRGBImage(imageFileName, &w, &h, &format);
- if (!image) {
- printf("Error: couldn't load %s\n", imageFileName);
- exit(1);
- }
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- gluBuild2DMipmaps(GL_TEXTURE_2D, format, w, h,
- GL_RGB, GL_UNSIGNED_BYTE, image);
-
- free(image);
-
- glFogf(GL_FOG_DENSITY, 0.125);
- glFogi(GL_FOG_MODE, GL_LINEAR);
- glFogf(GL_FOG_START, 4.0);
- glFogf(GL_FOG_END, 8.5);
- glFogfv(GL_FOG_COLOR, fog_color);
-
- glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
- glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
- glLightfv(GL_LIGHT0, GL_POSITION, position);
- glEnable(GL_LIGHT0);
-
- glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
- glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
-
- glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
- glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
- glShadeModel(GL_SMOOTH);
-
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glEnable(GL_DEPTH_TEST);
-
- glFrontFace(GL_CW);
- glEnable(GL_CULL_FACE);
- glCullFace(GL_BACK);
-
- 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);
-
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, sWrapMode);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, tWrapMode);
-
- glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
-
- BuildLists();
-}
-
-static void ReInit(void)
-{
- if (genericObject == torus) {
- glEnable(GL_DEPTH_TEST);
- } else {
- glDisable(GL_DEPTH_TEST);
- }
- glEnable(GL_DEPTH_TEST);
-
-#if 0
- if (isFogged) {
- textureEnvironment = modulate;
- }
-#endif
-
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
- glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
- glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
-}
-
-static void Draw(void)
-{
- glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
-
- /* draw cage */
- if (isFogged)
- glEnable(GL_FOG);
- else
- glDisable(GL_FOG);
- glColor3f(1, 1, 1);
- glDisable(GL_LIGHTING);
- glDisable(GL_TEXTURE_2D);
- glCallList(cage);
-
- /* draw object */
- if (isLit)
- glEnable(GL_LIGHTING);
- else
- glColor3f(1.0, 0.5, 0.2);
- if (doTexture)
- glEnable(GL_TEXTURE_2D);
-
- glPushMatrix();
- glTranslatef(0.0, 0.0, zTranslate);
- glRotatef(xRotation, 1, 0, 0);
- glRotatef(yRotation, 0, 1, 0);
- glCallList(genericObject);
- glPopMatrix();
-
- glFlush();
- glutSwapBuffers();
-}
-
-static void Reshape(int width, int height)
-{
- W = width;
- H = height;
- ReInit();
- glViewport( 0, 0, width, height ); /*new*/
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-0.2, 0.2, -0.2, 0.2, 0.15, 9.0);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Idle(void)
-{
- static double t0 = -1.;
- double t, dt;
- t = glutGet(GLUT_ELAPSED_TIME) / 1000.;
- if (t0 < 0.)
- t0 = t;
- dt = t - t0;
- t0 = t;
-
- xRotation += .75*60.*dt;
- yRotation += .375*60.*dt;
- glutPostRedisplay();
-}
-
-static void Key2(int key, int x, int y)
-{
-
- switch (key) {
- case GLUT_KEY_LEFT:
- yRotation -= 0.5;
- autoRotate = GL_FALSE;
- ReInit();
- break;
- case GLUT_KEY_RIGHT:
- yRotation += 0.5;
- autoRotate = GL_FALSE;
- ReInit();
- break;
- case GLUT_KEY_UP:
- xRotation -= 0.5;
- autoRotate = GL_FALSE;
- ReInit();
- break;
- case GLUT_KEY_DOWN:
- xRotation += 0.5;
- autoRotate = GL_FALSE;
- ReInit();
- break;
- default:
- return;
- }
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- /* free(image->data);*/
- exit(1);
-
- case 'a':
- autoRotate = !autoRotate;
- if (autoRotate)
- glutIdleFunc(Idle);
- else
- glutIdleFunc(NULL);
-
- ReInit();
- break;
- case 'o':
- if (genericObject == cube) {
- genericObject = cylinder;
- }
- else if (genericObject == cylinder) {
- genericObject = torus;
- }
- else {
- genericObject = cube;
- }
- ReInit();
- break;
- case 'd':
- textureEnvironment = decal;
- ReInit();
- break;
- case 'm':
- textureEnvironment = modulate;
- ReInit();
- break;
- case 'l':
- isLit = !isLit;
- ReInit();
- break;
- case 'f':
- isFogged = !isFogged;
- ReInit();
- break;
- case 't':
- doTexture = !doTexture;
- ReInit();
- break;
- case '0':
- magFilter = nnearest;
- ReInit();
- break;
- case '1':
- magFilter = linear;
- ReInit();
- break;
- case '2':
- minFilter = nnearest;
- ReInit();
- break;
- case '3':
- minFilter = linear;
- ReInit();
- break;
- case '4':
- minFilter = nearest_mipmap_nearest;
- ReInit();
- break;
- case '5':
- minFilter = nearest_mipmap_linear;
- ReInit();
- break;
- case '6':
- minFilter = linear_mipmap_nearest;
- ReInit();
- break;
- case '7':
- minFilter = linear_mipmap_linear;
- ReInit();
- break;
- default:
- return;
- }
- glutPostRedisplay();
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- doubleBuffer = GL_TRUE;
-
- 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 {
- imageFileName = 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 (imageFileName == 0) {
- printf("No image file.\n");
- exit(1);
- }
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( W, H);
-
- type = GLUT_RGB | GLUT_DEPTH;
- 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);
- glutIdleFunc(Idle);
-
- glutMainLoop();
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 11:31:46 +0000