The "burnt" appearance of scene-linear encoded image data may be that textures drawn using GL calls in drawHandles does not have the viewer process applied.
It may be possible to apply a toSRGB() the the image data before binding it to the texmap. There's almost certainly a faster pure OpenGL way to apply an sRGB encoding to incoming linear data. On Wed, Nov 4, 2015 at 9:25 AM, Nils Plath <pl...@imcube.de> wrote: > Hi Lucy, > > Thank you for your fast reply and for your suggested solution! That's what > I had in mind. > > In the mean time I managed to test another way, which I mentioned in my > first mail and which (kind > of) works: > > Op::draw_handle(), which I believe lives in the UI thread, is called on > each iteration of > Executable, so drawing handles works as expected. Inside that function I > request and fetch data from > an input op and upload it as a texture using standard OpenGL calls. This > image is then displayed as > a GL_QUAD during the render pass for solid/opaque objects and is rendered > over the actual image. So > it is possible to display results from the Executable that way. > > Now comes the "kind of works": unless the Read node uses linear color > space, the image on the quad > will look burnt. I'm not sure how to fix that, tough. > > Maybe the above approach is this violating a bunch of Nuke design rules > that I am simply not aware > of, maybe it isn't. Nevertheless, I thought this could be an alternative > approach. I can provide the > code snippet if someone is interested. > > Anyway, thanks again, Lucy, for your help! > > > Sincerely, > Nils > > -- > Nils Plath > Researcher > imcube labs GmbH > > Helmholtzstraße 2-9 > D-10587 Berlin > > phone: + 49 30 367405320 > mail: pl...@imcube.de <mailto:pl...@imcube.de> > web: www.imcube.de <http://www.imcube.de> > > Handelsregister | Register of Commerce AG | District Court] Berlin | > Charlottenburg HRB 120009 > [Geschäftsführer | Managing Directors] Dr. Sebastian Knorr > > Please consider your environmental responsibility before printing this > e-mail. > > This message is exclusively for the person addressed or their > representative. If you are not the intended recipient of this message and > its contents, please notify the sender immediately. Any form of > unauthorised use, publication, reproduction, copying or disclosure of the > content of this e-mail is not permitted. Electronically transmitted > messages can contain errors for which we assume no liability. > > > _______________________________________________ > Nuke-dev mailing list > Nuke-dev@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-dev > > -- -- *Blake G. Sloan* Pipeline|Software|Color *Digital Domain* Sent from Beautiful Downtown Playa Vista
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