removed GL_HP_occlustion_test code, added -exit option
This commit is contained in:
Brian Paul
parent
fffb809777
commit
1e35590f14
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@ -1,10 +1,11 @@
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/* $Id: gears.c,v 1.3 2000/03/28 16:59:39 rjfrank Exp $ */
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/* $Id: gears.c,v 1.4 2000/03/29 23:57:20 brianp Exp $ */
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/*
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* 3-D gear wheels. This program is in the public domain.
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*
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* Command line options:
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* -info print GL implementation information
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* -exit automatically exit after 30 seconds
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*
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*
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* Brian Paul
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@ -12,27 +13,6 @@
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/* Conversion to GLUT by Mark J. Kilgard */
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/*
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* $Log: gears.c,v $
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* Revision 1.3 2000/03/28 16:59:39 rjfrank
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* Implemented support for the HP occlusion test extension (osmesa and X)
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*
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* Revision 1.2 1999/10/21 16:39:06 brianp
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* added -info command line option
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*
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* Revision 1.1.1.1 1999/08/19 00:55:40 jtg
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* Imported sources
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*
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* Revision 3.2 1999/06/03 17:07:36 brianp
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* an extra quad was being drawn in front and back faces
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*
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* Revision 3.1 1998/11/03 02:49:10 brianp
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* added fps output
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*
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* Revision 3.0 1998/02/14 18:42:29 brianp
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* initial rev
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*
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*/
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#include <math.h>
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@ -47,7 +27,7 @@
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static GLint T0 = 0;
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static GLint Frames = 0;
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static GLint autoexit = 0;
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/**
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@ -181,7 +161,7 @@ gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
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}
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static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
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static GLint gear1, gear2, gear3, gear3box;
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static GLint gear1, gear2, gear3;
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static GLfloat angle = 0.0;
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static void
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@ -192,54 +172,44 @@ draw(void)
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glPushMatrix();
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glRotatef(view_rotx, 1.0, 0.0, 0.0);
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glRotatef(view_roty, 0.0, 1.0, 0.0);
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glRotatef(view_rotz, 0.0, 0.0, 1.0);
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glRotatef(view_rotx, 1.0, 0.0, 0.0);
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glRotatef(view_roty, 0.0, 1.0, 0.0);
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glRotatef(view_rotz, 0.0, 0.0, 1.0);
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glPushMatrix();
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glTranslatef(-3.0, -2.0, 0.0);
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glRotatef(angle, 0.0, 0.0, 1.0);
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glCallList(gear1);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-3.0, -2.0, 0.0);
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glRotatef(angle, 0.0, 0.0, 1.0);
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glCallList(gear1);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(3.1, -2.0, 0.0);
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glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
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glCallList(gear2);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(3.1, -2.0, 0.0);
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glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
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glCallList(gear2);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-3.1, 4.2, 0.0);
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glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
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#ifdef GL_HP_occlusion_test
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glDepthMask(GL_FALSE);
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glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
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glEnable(GL_OCCLUSION_TEST_HP);
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glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
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glCallList(gear3box);
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glGetBooleanv(GL_OCCLUSION_TEST_RESULT_HP,&bRet);
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glDepthMask(GL_TRUE);
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glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
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glDisable(GL_OCCLUSION_TEST_HP);
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#endif
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if (bRet) glCallList(gear3);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-3.1, 4.2, 0.0);
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glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
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glCallList(gear3);
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glPopMatrix();
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glPopMatrix();
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glutSwapBuffers();
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Frames++;
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{
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GLint t = glutGet(GLUT_ELAPSED_TIME);
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if (t - T0 >= 5000) {
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GLfloat seconds = (t - T0) / 1000.0;
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GLfloat fps = Frames / seconds;
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printf("%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
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printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
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T0 = t;
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Frames = 0;
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if ((t >= 999.0 * autoexit) && (autoexit))
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exit(0);
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}
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}
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}
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@ -315,24 +285,11 @@ reshape(int width, int height)
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static void
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init(int argc, char *argv[])
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{
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static GLfloat pos[4] =
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{5.0, 5.0, 10.0, 0.0};
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static GLfloat red[4] =
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{0.8, 0.1, 0.0, 1.0};
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static GLfloat green[4] =
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{0.0, 0.8, 0.2, 1.0};
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static GLfloat blue[4] =
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{0.2, 0.2, 1.0, 1.0};
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static float cube[8][3] = {
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{-2.35,-2.35,-0.5},
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{ 2.35,-2.35,-0.5},
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{ 2.35, 2.35,-0.5},
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{-2.35, 2.35,-0.5},
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{-2.35,-2.35, 0.5},
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{ 2.35,-2.35, 0.5},
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{ 2.35, 2.35, 0.5},
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{-2.35, 2.35, 0.5},
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};
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static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0};
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static GLfloat red[4] = {0.8, 0.1, 0.0, 1.0};
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static GLfloat green[4] = {0.0, 0.8, 0.2, 1.0};
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static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0};
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GLint i;
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glLightfv(GL_LIGHT0, GL_POSITION, pos);
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glEnable(GL_CULL_FACE);
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@ -359,33 +316,19 @@ init(int argc, char *argv[])
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gear(1.3, 2.0, 0.5, 10, 0.7);
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glEndList();
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gear3box = glGenLists(1);
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glNewList(gear3box, GL_COMPILE);
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glDisable(GL_LIGHTING);
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glBegin(GL_QUADS);
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glVertex3fv(cube[3]); glVertex3fv(cube[2]);
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glVertex3fv(cube[1]); glVertex3fv(cube[0]);
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glVertex3fv(cube[4]); glVertex3fv(cube[5]);
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glVertex3fv(cube[6]); glVertex3fv(cube[7]);
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glVertex3fv(cube[0]); glVertex3fv(cube[1]);
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glVertex3fv(cube[5]); glVertex3fv(cube[4]);
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glVertex3fv(cube[1]); glVertex3fv(cube[2]);
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glVertex3fv(cube[6]); glVertex3fv(cube[5]);
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glVertex3fv(cube[2]); glVertex3fv(cube[3]);
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glVertex3fv(cube[7]); glVertex3fv(cube[6]);
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glVertex3fv(cube[3]); glVertex3fv(cube[0]);
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glVertex3fv(cube[4]); glVertex3fv(cube[7]);
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glEnd();
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glEnable(GL_LIGHTING);
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glEndList();
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glEnable(GL_NORMALIZE);
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if (argc > 1 && strcmp(argv[1], "-info")==0) {
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printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
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printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
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printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
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for ( i=1; i<argc; i++ ) {
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if (strcmp(argv[i], "-info")==0) {
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printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
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printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
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printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
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printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
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}
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else if ( strcmp(argv[i], "-exit")==0) {
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autoexit = 30;
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printf("Auto Exit after %i seconds.\n", autoexit );
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}
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}
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}
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