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I would like to make a basic real time CPU ray tracer in C++ (mainly for learning proposes). This tutorial was great for making a basic ray tracer. But what would be the best solution to draw this on the screen in real time? I’m not asking on how to optimize the ray tracing-part, just the painting part so that it would paint on the screen and not in a file.
I’m developing on/for windows.
You could check out this Code Project article on the basic paint mechanism using Win32API
Update: OP wants fast drawing, which the Win32API does not provide. The OP needs this so that they can measure speedup of the ray-tracing algorithm during optimization process. Other possibilities for drawing are: DirectX, XNA, Allegro, OpenGL.