Hi Julien,
Julien Valentin wrote:
Okay, i have correct it by a second attachment from the camera
colorbuffer to....the image already attached to the output rtt
texture...:(
Code:
_prerenderCamera[i]->attach(osg::Camera::BufferComponent(osg::Camera::COLOR_BUFFER),
_RTTOutTexture->getImage());
I don't think it's nice ....I haved try a
Code: osg::Image *im=outputtexture->getImage();
im->readPixels(0,0,im->s(),im->t(),GL_RGBA, GL_UNSIGNED_BYTE);
in a osg::Camera::DrawCallback but it seems to fails: it read the
mainview in the osg::Image and not the prerendertotexture results...
I think the reason why you are not getting more response is that no-one
understands what you are trying to do...
Is there anyone who knows how to readback properly a osg::Texture2D
in a osg::Image after a RTT pass?
Yes, look at osgprerender. We use many examples of this without problem,
just attach the osg::Image to the RTT camera.
jp
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