[Bf-committers] [Bf-blender-cvs] SVN commit: /data/svn/bf-blender [13715] trunk/blender/source/blender/src/ drawimage.c: Images in the image editor were being draw with the wrong glBlendFunc() command

Ton Roosendaal ton at blender.org
Sun Feb 24 15:19:51 CET 2008


> Premul is the default result a composition of two images, like the
> AlphaOver node, and it also make the composition quicker, right?
> http://en.wikipedia.org/wiki/Alpha_compositing

Alpha over you can do with both alpha types, premul then is faster.

> What do you mean when writing "composite operations on alpha only"  
> above?

Like calculating new alpha masks, filtering alpha only, etc


> Regards,
> Stéphane
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Ton Roosendaal  Blender Foundation ton at blender.org  

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