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I'm having some strange rendering issues with latest monogame/winGL code as seen below;

enter image description here

As you can see the xna and tomspilmans WinDX port seems just okay.

I'm having this problem on my laptop with a HD7670M and it doesn't exists on desktops (got a 7970 and 5970).

Any ideas on the issue?

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Looks like a vertex alignment problem of some sort. Can you post a higher resolution image of GL screenshot? – Andrew Russell Jan 13 '13 at 5:53

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