What is the fastest way to draw a 2D array of color triplets on screen?

Question

The target language is C/C++ and the program has only to work on Linux, but platform independent solutions are preferred obviously. I run Xorg, XVideo and OpenGL are available.<

Answer 1

How many FPS can I expect on 1024x768?

The answer to that question is dependent on so many factors that it’s impossible to tell.