Hi. I dont fully understand GLX off screen rendering. The question is when do I visualize the rendered scene and how does it hapeen. I can’t conclude this form the GLX 1.3 spec. I’ll be grateful if anyone can help.
The aim of screen rendering is to render to a non visible surface. It can be used to do behind the scene rendering. Retrieving data can be done via glReadPixels (get back to host ram) or GlCopyTexSubImage to store the rendering as a texture. I don’t know the status of render to texture on GLX, but it is the faster way to get a texture from a pbuffer on WGL.
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