[pygame] Memory hunger...

[Mikael Ganehag Brorsson <brorsson@xxxxxxxx>]

Hi,

A few hours ago I found a strange behaviour while using OpenGL in
pygame. Whenever I read a value using: "value =
glGetFloatv(GL_MODELVIEW_MATRIX)" the value was not cleaned from memory.
Initially I thought that it was a problem with the evil nVidia blob
driver, but when I switched to the xorg-x11 implementation using the nv
driver (without DRI), I experienced the same problem.
 
When running the program bellow on a Radeon 9250 using the latest driver
from the Xorg tree there are no problems what so ever (with DRI), and
the same result is obtained by running it on a cheap laptop with a SIS
661/741/760/761 chipset, again using the free software drivers. 

Running the program bellow only takes twenty or so seconds to eat all my
available memory, 350 MB)

#!/usr/bin/python

import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *

def main():
        pygame.init()
        pygame.display.set_mode((800,600), pygame.OPENGL|
pygame.DOUBLEBUF)
        glClearColor(1.0, 0.0, 0.0, 1.0)
        glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)

        done = False

        while not done:
                for i in range(0,50000):
                        modelview_matrix =
glGetFloatv(GL_MODELVIEW_MATRIX)

                pygame.display.flip()

                eventlist = pygame.event.get()
                for event in eventlist:
                        if event.type == QUIT or event.type == KEYDOWN
and event.key == K_ESCAPE:
                                done = True

if __name__ == '__main__':
	main()