[osg-users] osgText and OpenGL ES 3

Sebastian Messerschmidt sebastian.messerschmidt at gmx.de
Thu Aug 4 00:57:27 PDT 2016

Hi Benjamin,

Examining your debug output in this thread, I got to realize that you 
are using a ShaderGen. That might stem from the gles pseudoloader in 
case you use one.
As I said before, I'm not an expert in the OpenGL ES stuf, so maybe 
someone else can help you further.
I suspect the problem in assigning the same default shader to all 
objects. As I pointed out osg::Text needs some extra care, as you need 
to premultiply the color with the fonts alpha (additive blending).


> Hi Sebastian,
> I tried to override my text shader into StateSet as you adviced, and you were right (cf. attachments). There might be another shader loading for this text somewhere. I will investigate and let you know if I found something.
> Cheers,
> Benjamin
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=68273#68273
> Attachments:
> http://forum.openscenegraph.org//files/img_0034_177.png
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