I have a screen-aligned texture resulting from multiple rendering passes. It looks  about this:I want the edges to appear smoother than they do now (but still keep their characteristic shape). When zooming in, the blocky appearance becomes very obvious. Is there a common approach in computer graphics (or in OpenGL in particular) to resolve this? Since the texture results from the application of the jump flooding algorithm the what-ever approach has to be performed in a post-processing step. I'm so far just interested in the approach(es) itself, not in the implementation.
What is a common approach in computer graphics to smooth structures in textures?
algorithm;image processing;interpolation;filtering;post processing