On Sun, Dec 26, 2010 at 6:42 PM, Vicent Marti <[email protected]> wrote:
> Hello fine gentlemen, > > I'm trying to render a dynamic texture, whose pixels are manually > modified during runtime. I'm assigning the texture like this: > > osg::Texture2D* texture = new osg::Texture2D(img); > texture->setDataVariance(osg::Object::DYNAMIC); > > osg::StateSet* state = geom->getOrCreateStateSet(); > state->setTextureAttributeAndModes(0, texture, osg::StateAttribute::ON); > > where 'geom' is my geometry object, and 'img' is an osg::Image I've > allocated manually, and which I plan to modify during runtime. The > problem I'm having is that my 'geom' object is using the initial Image > (the image as it was when assigning the TextureAttribute). Even if I > modify the pixels in the Image, using img->data(), the rendered > texture is not updated. > > What am I doing wrong? Is there a more optimal way to manually access > the pixels of the rendered texture at runtime? > > Cheers, > Vicent Marti > > Hi Vincent, Make sure to call img->dirty() after modifying the pixels in the image, in order to update the texture with the new data. Mourad
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