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Re: [Public WebGL] Premultiplied alpha blending and issues with color accuracy

On Fri, May 11, 2012 at 10:39 AM, Thor Harald Johansen <thj@thj.no> wrote:
Simultaneously? In a single shader? AFAIK, WebGL only allows one active
texture per drawing operation.
You can only write to one texture at a time. You can read from many textures. If you look at http://webglstats.com/ you can see that most desktops (99.9%) can read from 16 textures, and most mobiles (100%) can read from 8.