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-rw-r--r--progs/demos/gears.c147
1 files changed, 45 insertions, 102 deletions
diff --git a/progs/demos/gears.c b/progs/demos/gears.c
index 96e7de2a2b8..38cd2f8a7b5 100644
--- a/progs/demos/gears.c
+++ b/progs/demos/gears.c
@@ -1,10 +1,11 @@
-/* $Id: gears.c,v 1.3 2000/03/28 16:59:39 rjfrank Exp $ */
+/* $Id: gears.c,v 1.4 2000/03/29 23:57:20 brianp Exp $ */
/*
* 3-D gear wheels. This program is in the public domain.
*
* Command line options:
* -info print GL implementation information
+ * -exit automatically exit after 30 seconds
*
*
* Brian Paul
@@ -12,27 +13,6 @@
/* Conversion to GLUT by Mark J. Kilgard */
-/*
- * $Log: gears.c,v $
- * Revision 1.3 2000/03/28 16:59:39 rjfrank
- * Implemented support for the HP occlusion test extension (osmesa and X)
- *
- * Revision 1.2 1999/10/21 16:39:06 brianp
- * added -info command line option
- *
- * Revision 1.1.1.1 1999/08/19 00:55:40 jtg
- * Imported sources
- *
- * Revision 3.2 1999/06/03 17:07:36 brianp
- * an extra quad was being drawn in front and back faces
- *
- * Revision 3.1 1998/11/03 02:49:10 brianp
- * added fps output
- *
- * Revision 3.0 1998/02/14 18:42:29 brianp
- * initial rev
- *
- */
#include <math.h>
@@ -47,7 +27,7 @@
static GLint T0 = 0;
static GLint Frames = 0;
-
+static GLint autoexit = 0;
/**
@@ -181,7 +161,7 @@ gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
}
static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
-static GLint gear1, gear2, gear3, gear3box;
+static GLint gear1, gear2, gear3;
static GLfloat angle = 0.0;
static void
@@ -192,54 +172,44 @@ draw(void)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
- glRotatef(view_rotx, 1.0, 0.0, 0.0);
- glRotatef(view_roty, 0.0, 1.0, 0.0);
- glRotatef(view_rotz, 0.0, 0.0, 1.0);
-
- glPushMatrix();
- glTranslatef(-3.0, -2.0, 0.0);
- glRotatef(angle, 0.0, 0.0, 1.0);
- glCallList(gear1);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef(3.1, -2.0, 0.0);
- glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
- glCallList(gear2);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef(-3.1, 4.2, 0.0);
- glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
-
-#ifdef GL_HP_occlusion_test
- glDepthMask(GL_FALSE);
- glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
- glEnable(GL_OCCLUSION_TEST_HP);
- glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
- glCallList(gear3box);
- glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
- glDepthMask(GL_TRUE);
- glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
- glDisable(GL_OCCLUSION_TEST_HP);
-#endif
-
- if (bRet) glCallList(gear3);
- glPopMatrix();
+ glRotatef(view_rotx, 1.0, 0.0, 0.0);
+ glRotatef(view_roty, 0.0, 1.0, 0.0);
+ glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+ glPushMatrix();
+ glTranslatef(-3.0, -2.0, 0.0);
+ glRotatef(angle, 0.0, 0.0, 1.0);
+ glCallList(gear1);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(3.1, -2.0, 0.0);
+ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+ glCallList(gear2);
+ glPopMatrix();
+
+ glPushMatrix();
+ glTranslatef(-3.1, 4.2, 0.0);
+ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+ glCallList(gear3);
+ glPopMatrix();
glPopMatrix();
glutSwapBuffers();
Frames++;
+
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 5000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
- printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
+ printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
T0 = t;
Frames = 0;
+ if ((t >= 999.0 * autoexit) && (autoexit))
+ exit(0);
}
}
}
@@ -315,24 +285,11 @@ reshape(int width, int height)
static void
init(int argc, char *argv[])
{
- static GLfloat pos[4] =
- {5.0, 5.0, 10.0, 0.0};
- static GLfloat red[4] =
- {0.8, 0.1, 0.0, 1.0};
- static GLfloat green[4] =
- {0.0, 0.8, 0.2, 1.0};
- static GLfloat blue[4] =
- {0.2, 0.2, 1.0, 1.0};
- static float cube[8][3] = {
- {-2.35,-2.35,-0.5},
- { 2.35,-2.35,-0.5},
- { 2.35, 2.35,-0.5},
- {-2.35, 2.35,-0.5},
- {-2.35,-2.35, 0.5},
- { 2.35,-2.35, 0.5},
- { 2.35, 2.35, 0.5},
- {-2.35, 2.35, 0.5},
- };
+ static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0};
+ static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0};
+ static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0};
+ static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
+ GLint i;
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_CULL_FACE);
@@ -359,33 +316,19 @@ init(int argc, char *argv[])
gear(1.3, 2.0, 0.5, 10, 0.7);
glEndList();
- gear3box = glGenLists(1);
- glNewList(gear3box, GL_COMPILE);
- glDisable(GL_LIGHTING);
- glBegin(GL_QUADS);
- glVertex3fv(cube[3]); glVertex3fv(cube[2]);
- glVertex3fv(cube[1]); glVertex3fv(cube[0]);
- glVertex3fv(cube[4]); glVertex3fv(cube[5]);
- glVertex3fv(cube[6]); glVertex3fv(cube[7]);
- glVertex3fv(cube[0]); glVertex3fv(cube[1]);
- glVertex3fv(cube[5]); glVertex3fv(cube[4]);
- glVertex3fv(cube[1]); glVertex3fv(cube[2]);
- glVertex3fv(cube[6]); glVertex3fv(cube[5]);
- glVertex3fv(cube[2]); glVertex3fv(cube[3]);
- glVertex3fv(cube[7]); glVertex3fv(cube[6]);
- glVertex3fv(cube[3]); glVertex3fv(cube[0]);
- glVertex3fv(cube[4]); glVertex3fv(cube[7]);
- glEnd();
- glEnable(GL_LIGHTING);
- glEndList();
-
glEnable(GL_NORMALIZE);
- if (argc > 1 && strcmp(argv[1], "-info")==0) {
- printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
- printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
- printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
- printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ for ( i=1; i<argc; i++ ) {
+ if (strcmp(argv[i], "-info")==0) {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ }
+ else if ( strcmp(argv[i], "-exit")==0) {
+ autoexit = 30;
+ printf("Auto Exit after %i seconds.\n", autoexit );
+ }
}
}
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