Improved bloom + experiments with adaptive exposure.

Bloom is heavily inspired by the method described by Jorge Jimenez in his great slides here: http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare (starts from slide 144)

Aressera said:

taby said:
implement tracers

I guess you mean to do a temporal blur effect that smooths changes over time, so that lights leave trails in the image? Like this:

This can be implemented by having 2 “history” textures that are persistent across frames. You read from one, and write to the o…

I've refactored the rendering system in my engine.

The old way of rendering was complete in SDR.  

In this update I created a separate off screen framebuffer that everything is rendered to first.

This offscreen framebuffer is a float framebuffer, and can store values outside of the normal [0,1] r…