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Member Since 07 Oct 2007
Offline Last Active Oct 16 2014 10:10 AM

Posts I've Made

In Topic: Old school 3D engines

13 February 2014 - 12:56 PM

Have you read the Michael Abrash series of books. Its more than just graphics programming but still a great read.



In Topic: Filmic Tone Mapping Questions

07 January 2014 - 09:52 AM

This bit looks unneeded and should be removed


float exposure = key * L / avgL;


change it to 


float exposure = key  / avgL;


I don't see why you need the multiply by pixel luminance

In Topic: Material Layering

18 December 2013 - 01:33 PM

Its simply combining textures and parameters together when rendering the geometry. Only 1 pass is needed but you could layer on more details using projected decals as a later pass.

In Topic: Need help identifying/marking white areas in 2D image

03 December 2013 - 04:26 PM

One idea is to convert to a signed distance field. Then find the pixels which are greater in value than its four neighbours ( +/-X. +/-Y)

In Topic: Blending Normal Maps

10 May 2013 - 10:15 PM