1from OpenGL.arrays import vbo 2from OpenGL.GLES2.VERSION import GLES2_2_0 3from OpenGL.GLES2.OES import mapbuffer 4 5class Implementation( vbo.Implementation ): 6 """OpenGL-based implementation of VBO interfaces""" 7 def __init__( self ): 8 for name in self.EXPORTED_NAMES: 9 for source in [ GLES2_2_0, mapbuffer ]: 10 for possible in (name,name+'OES'): 11 try: 12 setattr( self, name, getattr( source, possible )) 13 except AttributeError as err: 14 pass 15 else: 16 found = True 17 assert found, name 18 if GLES2_2_0.glBufferData: 19 self.available = True 20Implementation.register() 21