Hi Chris, You can subclass from osg::StateAttribute and implement your own GL state calls in the same way as all the core StateAttribute classes implement their GL state calls. The osg::Uniform is an exception though as there are particular rules about when uniforms can be applied - you have to know that the appropriate glProgram is applied prior to assign the uniforms to them.
osg::State manages this task, applying all osg::StateAttribute then applying the osg::Uniform. The add sampler arrays the natural place would be to modify the core osg::Uniform and simply submit this for inclusion in the core OSG. Robert On 22 March 2016 at 06:32, Chris Kuliukas <[email protected]> wrote: > Hi, > > Working on an app that is going to be doing a lot of work with large > texture processing, and will need to squeeze as much data into graphics > memory as possible and allow many textures to be referenced > programmatically. > > I've got texture arrays working, but can't use this for all requirements > since all layers in a texture array have to be the same size. > > It looks like I could use sampler arrays (e.g. sampler2D myTextures[20]; > ), but osg::Uniform doesn't seem to support such a thing. > > > I'm also wondering if there's an easy way to easily run your own OpenGL > commands in case something isn't supported yet and you just want to use GL > directly instead of waiting for the OSG implementation? > > Thank you! > > Cheers, > Chris > > ------------------------ > http://www.hrwallingford.com/facilities/ship-simulation-centre ( > http://www.hrwallingford.com/facilities/ship-simulation-centre) > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=66577#66577 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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