[PyOpenGL-Users] glutTimerFunc seems to accumulate garbage

[Alexandre L. <ale...@gm...>]

The following code starts by using almost no cpu time and progressively use
the complete cpu after like 30 seconds...
Should I clear some buffer somewhere ?

putting a delay more than 1 will result in the same behavior but will take
more time. A delay twice bigger will accumulate twice slower and will have
twice more time between calls. Therefore it will take 4 time longer to see
the same behavior...
In my original program, I have 3 timers with period of 20 ms so it takes 1
or 2 minutes to see the behavior starting.

Can someone confirm this ?
Should I fill a bug report somewhere ?

I've tried it with version 3.0.0b1 and 3.0.0b6.


##############################
# code starts here
##############################
from OpenGL.GLUT import *

glutInit( sys.argv )
glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH )
glutInitWindowSize( 100, 100 )
glutCreateWindow( "testtimer" )

delay = 1
count = 0

def timerCallback(value):
    global count
    count += 1
    if count % 2000 == 0: print count
    glutTimerFunc( delay, timerCallback, value+1 )

glutTimerFunc( delay, timerCallback, 0 )

glutMainLoop()

##############################
# code ends here
##############################

some more info:

$ uname -a
Linux xps 2.6.24-19-generic #1 SMP Wed Aug 20 22:56:21 UTC 2008 i686
GNU/Linux

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 8.04.1
Release:        8.04
Codename:       hardy



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