Sorry Stefan, but it does not work. I do not clear the back buffer, as there is no need to. I am simply drawing a precomputed texture to the back buffer before swapping.
What seems to be happening is that the two textures in my FBO are not swapping, for some reason. Or that my shader program is not working as expected. Again, this program works in standalone mode. I know that what I am doing "should" work. I have a pretty good understanding of the Equalizer framework by now. As usual: the more suffering you go through, the more of an expert you become! Gordon Stefan Eilemann wrote: > >> In my code, I have a framebuffer with two attached buffers, used in >> ping-pong fashion. I display 9 times into this buffer, then display >> the image to the back screen using glDrawBuffer(GL_BACK). That was >> standalone. >> >> I send you some code to give you an idea. I call run() from within >> franeDraw(). Should this work? You'll note that there is no swap buffer >> method call in my code. > > I think this should work. Equalizer will swap the back buffer to the > front buffer, which should display your result. I assume you clear the > back buffer (if needed) and overwrite it in your toBackBuffer method. > > In general Equalizer tries to interfere as little as possible with > OpenGL. It just gives you the framework to plug in your code. If you > try your code with config.eqc, there are almost no OpenGL calls made > by Equalizer - iirc makeCurrent and swapBuffers and all the > Channel::apply stuff. > > > HTH, > > Stefan. > > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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