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Re: [Gnash-dev] gui wants redraw

From: Bastiaan Jacques
Subject: Re: [Gnash-dev] gui wants redraw
Date: Thu, 09 Nov 2006 16:06:22 +0000
User-agent: Thunderbird (X11/20061007)

Udo Giacomozzi schreef:
> Can't tell how OpenGL works but I guess it also uses some sort of
> offscreen buffer to avoid flicker.

That's correct. OpenGL uses two buffers; one that is currently "bound"
to the window (i.e., what you're currently looking at) and one that is
rendered into (i.e., the back buffer). When a frame finishes rendering,
the OpenGL glue calls glx_SwapBuffers() which turns the back buffer into
the bound one and turns the bound one into the back buffer.


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