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call glFinish() before getting t1 time

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This commit is contained in:
Brian Paul 2000-12-07 21:50:39 +00:00
parent ab9e273c75
commit 83886a5a7f
1 changed files with 6 additions and 2 deletions
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8
progs/demos/clearspd.c
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@ -1,4 +1,4 @@
/* $Id: clearspd.c,v 1.2 2000/04/10 16:25:15 brianp Exp $ */
/* $Id: clearspd.c,v 1.3 2000/12/07 21:50:39 brianp Exp $ */
/*
* Simple GLUT program to measure glClear() and glutSwapBuffers() speed.
@ -7,6 +7,9 @@
/*
* $Log: clearspd.c,v $
* Revision 1.3 2000/12/07 21:50:39 brianp
* call glFinish() before getting t1 time
*
* Revision 1.2 2000/04/10 16:25:15 brianp
* fixed visual selection and reporting results
*
@ -71,14 +74,15 @@ static void Display( void )
glClear( BufferMask );
glutSwapBuffers();
}
glFinish();
t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
}
else {
t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
for (i=0;i<Loops;i++) {
glClear( BufferMask );
glFlush();
}
glFinish();
t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
glutSwapBuffers();
}