OpenGL on Windows: FBOS?
I am trying to add RTT via FBOs to an application of mine using OpenGL via an appropriate pixel format in a C++ MFC application. I have copied the FBO code over from another, SDL based application of mine where RTT works. I am using glew for accessing the OpenGL driver.

I have extensively tested all OpenGL call results when creating, activating, deactivating and rendering the FBO, and I do not get any errors.

When switching the render buffer from GL_BACK to my render FBO's color attachment however, nothing at all gets written to the color buffer - not even glClearColor() seems to work on it.

Is this because the Windows pixel format doesn't allow me to render to FBOs? Since the render buffer switching all goes via OpenGL I doubt this is the case, but I am absolutely clueless about why RTT doesn't work in my app.

Any pointer what I might need to look for?
OpenGL on Windows: FBOS?
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I am trying to add RTT via FBOs to an application of mine using OpenGL via an appropriate pixel format in a C++ MFC application. I have copied the FBO code over from another, SDL based application of mine where RTT works. I am using glew for accessing the OpenGL driver.

I have extensively tested all OpenGL call results when creating, activating, deactivating and rendering the FBO, and I do not get any errors.

When switching the render buffer from GL_BACK to my render FBO's color attachment however, nothing at all gets written to the color buffer - not even glClearColor() seems to work on it.

Is this because the Windows pixel format doesn't allow me to render to FBOs? Since the render buffer switching all goes via OpenGL I doubt this is the case, but I am absolutely clueless about why RTT doesn't work in my app.

Any pointer what I might need to look for?