Tag Archives: opengl

Using right/left-handed viewing systems with both DirectX & OpenGL

Posted on 27.12.2011 by Anteru (Updated on 10.1.2012)

One problem many 3D graphics beginners run into is left/right-handed view matrices. In many cases, beginners get stuck with left-handed coordinate systems because they start with DirectX. Worse of all, some sources on the web claim that DirectX somehow mandates … Continue reading →

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OpenGL tips & tricks

Posted on 3.8.2009 by Anteru

A few tips & tricks which might be useful if you write stuff with OpenGL. I use OpenGL for research stuff at the moment, which means I need to get stuff working quickly, and it should be robust so it … Continue reading →

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Graphics APIs done wrong

Posted on 20.7.2009 by Anteru

This is going to be partly a rant post, but I think we’re really moving into the wrong direction with current graphics APIs. Especially as the GPGPU revolution is waiting for us, current graphics APIs put a huge unnecessary burden … Continue reading →

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Pixel aligned rendering in OpenGL, and direct state access

Posted on 1.6.2009 by Anteru

Two main topics here: The first one is how to render pixel-aligned objects in OpenGL, the other one is a great extension for OpenGL. Pixel perfect rendering If you want to render a 2D overlay, you usually want to have … Continue reading →

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