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August 2009 - Posts

Tuesday, August 25, 2009 11:17 AM

What is a pixel?

I wanted to write about premultiplied alpha, but realized I need to explain some things about filtering first. And then I realized that to properly explain filtering, I need to start with an even more fundamental theoretical question: what is a pixel?
Posted by ShawnHargreaves | 9 Comments
Monday, August 17, 2009 3:37 PM

Combining shaders

"So, I have this shader that does normalmapping, and this other shader that does skinned animation. How can I use them both to render an animated normalmapped character?" Welcome, my friend, to one of the fundamental unsolved problems of graphics
Posted by ShawnHargreaves | 5 Comments
Friday, August 14, 2009 10:03 AM

Why does my content rebuild every time?

The XNA Framework Content Pipeline tries to use incremental rebuilds wherever possible. This means if you add a hundred content files, build your project, change just one of those files, then build again, only that specific file needs to be rebuilt. In
Posted by ShawnHargreaves | 1 Comments
 
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