Hi Luis, Just call dirty on the Image and it'll get automatically uploaded.
For non power of two images simple use osg::TextureRectangle or a osg::Texture2D's non power of two texture support. Please see the osgmovie example. Robert. On Tue, Mar 24, 2009 at 5:52 PM, Luis Rodriguez <[email protected]>wrote: > Thanks Robert. A couple more questions. How do I guarantee that only the > changed pixels are uploaded? The source image I'm using is 640x480. To > maximize compatibility, I need to make texture sizes a power of 2 and square > right? That sets the next available size at 1024x1024. That's alot of extra > data to copy. > > If I accessing the Image via the data() method then there's no way to > specify the dimensions of the dirty rectangle. I see that copySubImage takes > a rectangle but the source for copy is an Image object so I'd have to copy > the image data twice (camera -> tempImage ->texture). Is there something I'm > missing? Perhapse I should call glTexSubImage2D directly? [/quote] > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=9121#9121 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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