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[Gnash-dev] First stab at fixing an OpenGL bug

From: Quinn Storm
Subject: [Gnash-dev] First stab at fixing an OpenGL bug
Date: Thu, 31 May 2007 18:41:18 -0400
User-agent: KMail/1.9.6

I've been looking at the bug with the OpenGL renderer where it won't update 
the display properly when an area of the framebuffer receives an expose 
event.  I wanted to post here what is going on and why I can't yet find a 

the trouble I'm running into with the bug I was trying to tackle is pretty 
simple.  OpenGL expects an essentially volatile rendering pattern, with only 
transient framebuffers, while gnash expects to render to a semi-permanent 
framebuffer that will stick around until changed...and short of doing a 
back-to-front copy every time anything is submitted to render (any line or 
trimesh), I can't find a way to solve this

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