Graphic Rants

$$ \newcommand{\vv}{\mathbf{v}} \newcommand{\rv}{\mathbf{r}} \newcommand{\muv}{\boldsymbol\mu} \newcommand{\omegav}{\boldsymbol\omega} \n...

$$ \newcommand{\vv}{\mathbf{v}} \newcommand{\rv}{\mathbf{r}} \newcommand{\muv}{\boldsymbol\mu} \newcommand{\mudotv}{\muv\cdot\vv} $$ A n...

$$ \newcommand{\vv}{\mathbf{v}} \newcommand{\rv}{\mathbf{r}} \newcommand{\muv}{\boldsymbol\mu} \newcommand{\mudotv}{\muv\cdot\vv} $$ A Sp...

Intro and backstory About 4 years ago now I ran into Spherical Gaussian (SG) math in a few different publications in a row, enough that it ...

The big news from Epic at GDC this year was that Unreal Engine 4 is now available to everyone for only $19/month + 5% royalties . There...

When working with HDR values, two troublesome situations often arise. The first happens when one tries to encode an HDR color using a...

$$ \newcommand{\nv}{\mathbf{n}} \newcommand{\lv}{\mathbf{l}} \newcommand{\vv}{\mathbf{v}} \newcommand{\hv}{\mathbf{h}} \newcommand{\mv}{\m...

I'm resurrecting this blog from the dead. I'm sorry it's been neglected for a year but I've been busy. If you follow me on t...

The system I described last time allowed specular highlights to reach large distances but only requires calculating them on the tiles where ...

First off I'm sorry that I haven't updated this blog in so long. Much of what I have wanted to talk about on this blog, but could...