Erellu

Results 2 issues of Erellu

> Before you go any further, maybe you want to link to [very old issue](https://github.com/OGRECave/ogre/issues/70). It was marked as completed in 2017, but as of `e535556dbd31955e9205f9282602047034171c0f` the problems are still...

priority: low

Currently, scale factor of the projection (used to compute radius to screen), is computed as [`float(height) / (tanf(projection.fov * 0.5f) * 2.0f);`](https://github.com/nvpro-samples/gl_ssao/blob/cb9ddbdd17ae197107b5be064a7168b984634e87/ssao.cpp#L738). `projection.fov` is `45`, so these are presumably degrees...