A Python port of the initialization code from a gamedev.net post

try_init_FBO

# Ported from: http://www.gamedev.net/topic/318673-fbo-question/
# 
# Revised to remove the references to cocos2d

import pyglet
from pyglet.gl import *
from ctypes import c_ulong

def init():
    # Ported from: http://www.gamedev.net/topic/318673-fbo-question/
    numBuffers = 1
    lp_color_tex = c_ulong()
    glGenTextures(numBuffers, lp_color_tex);
    color_tex = lp_color_tex
    # initialize textures
    glBindTexture(GL_TEXTURE_2D,color_tex);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
    glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,512,512,0,GL_RGBA,GL_INT,0);
    lp_depth_rb = c_ulong()
    glGenRenderbuffersEXT(1, lp_depth_rb);
    depth_rb = lp_depth_rb.value
    # initialize depth render buffer
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, depth_rb);
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, 512, 512);
    lp_fb = c_ulong()
    glGenFramebuffersEXT(numBuffers, lp_fb);
    fb = lp_fb.value
    # initialize frame buffers
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
    glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,GL_COLOR_ATTACHMENT0_EXT,GL_TEXTURE_2D,color_tex, 0);
    glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, depth_rb);

if __name__ == '__main__':
    init()