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Member Since 05 Sep 2012
Offline Last Active Aug 01 2016 03:32 AM

#5144547 help on hdr rendering

Posted by on 05 April 2014 - 06:23 AM

Isn't it just possible to write a compute shader that goes over all pixels and sum all of log luminances and put it in a float . then simply we can multiply this float value by 1/N either by cpu or gpu ?


This can be done by using Parallel Reduction algorithm:


#5138969 Software rendering tutorials/examples

Posted by on 14 March 2014 - 08:33 AM

Here is a useful article about software rasterization with an implementation of the half space algorithm.