root/trunk/RBRapier/RBRapier/Renderer/BufferMgr.py

#!/usr/bin/env python
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
##~ License 
##~ 
##- The RuneBlade Foundation library is intended to ease some 
##- aspects of writing intricate Jabber, XML, and User Interface (wxPython, etc.) 
##- applications, while providing the flexibility to modularly change the 
##- architecture. Enjoy.
##~ 
##~ Copyright (C) 2002  TechGame Networks, LLC.
##~ 
##~ This library is free software; you can redistribute it and/or
##~ modify it under the terms of the BSD style License as found in the 
##~ LICENSE file included with this distribution.
##~ 
##~ TechGame Networks, LLC can be reached at:
##~ 3578 E. Hartsel Drive #211
##~ Colorado Springs, Colorado, USA, 80920
##~
##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Imports 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

from OpenGL import GL
from ChangeBaseMgr import *

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Definitions 
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class BufferChangeElement(BitmaskChangeElement):
    """Encapsulates a single collection of buffer attribute changes"""

class DynamicBufferChangeElement(DynamicBitmaskChangeElement):
    """Encapsulates a single collection of attribute changes"""

class BufferTracker(BitmaskChangeTracker):
    _ElementAttributeName = 'BufferClear'
    
class DynamicBufferTracker(DynamicBitmaskChangeTracker):
    _ElementAttributeName = 'BufferClear'

class BufferEffector(BufferTracker):
    def GLExecute(self, context):
        GL.glClear(self.Bitmask)

class DynamicBufferEffector(DynamicBufferTracker):
    def GLExecute(self, context):
        GL.glClear(self.Bitmask)