OpenGL scanline algorithm - does it use rays and bounding boxes? [closed]

StackOverflow https://stackoverflow.com/questions/16323034

Question

I'm studying how scanline algorithms work and I'm wondering whether to determine the closest hit per each pixel a ray is shooted like ray tracing algorithms and, in that case, if bounding boxes are used to determine if there's an intersection or not

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Solution

No, OpenGL is not a ray tracer. For depth testing you would typically use a depth buffer (check Wikipedia).

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