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<font face="sans-serif">I have written an OpenGL ES2 application for
the N900 which unfortunately only runs at 10fps. I use a
video-texturing and shadowmapping, which consts quite some time.<br>
I think the main problem is the resolution of 800x480 and the full
screen updates. So I wonder how to force a lower resolution(using
Qt 4.6 beta1) and/or render OpenGL over an XV frame.(also Qt4.6)<br>
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