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on the topic of software rendering, im surprised how little gustavo pezzi's lectures get mentioned here on hacker news.
Gustavo's lectures are great! I work through his Compiler lectures now and I bought the 3D renderer course too.
Earlier quoted context omitted.
You do often need a graphics context to create the surface that displays the framebuffer.
Not necessarily. Most desktop OS compositors provide a void** buffer that can be blitted to. Sure, this buffer will probably end up going through the compositor which does GPU hardware acceleration anyway, but it is definitely possible to shrink the application-side stack without relying on D2D/GLUT/GLEW/GLFW/SDL/WGPU in this case. On Windows: CreateDIBSection and BitBlt On macOS: CALayer and CATransaction commit Not…