[osg-users] reset root color to original colors

Bruno Oliveira bruno.manata.oliveira at gmail.com
Wed May 25 14:06:39 PDT 2016


Thank you very much, those hints did the job.

I will try to better explain my question the next time. I intended to
disable the shader / program.

2016-05-25 9:10 GMT+01:00 Sebastian Messerschmidt <
sebastian.messerschmidt at gmx.de>:

> Hi Bruno,
>
> Your question is a bit vague. If you use a shader you have total control
> over the colors.
> If my interpretation of your question is correct, you want to disable the
> shader. There is no real "disable" it, you have to bind a empty program
> instead. (simply don't assign any shader).
>
> Cheers
> Sebastian
>
> Hello,
>
> I have one single root node in my scene graph. I have a vertex array and a
> color array. I susually use them in conjunction to see my vertices with the
> original colors, with
>
>         ret->setColorArray(m_colors);
>         ret->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
>
>
> Now I am adding the option for custom shaders. This is done with
> osg::Programs, and adding the program to the stateset of the root node.
>
>     osg::ref_ptr<osg::Program> program = new osg::Program;
>     program->setName(m_name);
>     program->addShader(new osg::Shader(osg::Shader::VERTEX, m_vertex));
>     program->addShader(new osg::Shader(osg::Shader::FRAGMENT, m_fragment));
>
> Now I want to reset this, and assign the original colors I have in the
> color Array back again. How can I do this? Do I have to create a new shader
> for applying the custom colors in the color array? Or can I reset this in a
> simpler fashion?
>
>
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