c++ - how to draw polygons in OpenGL that have an outline drawn with a black pen and another fill color - Stack Overflow

How can I draw a shape like this in OpenGL? I mean, I know how to draw polygons in OpenGL. I want to know how to make the outline black and the fill color ( for example ) yellow?

c++ - openGL gl_Polygon mix color issue - Stack Overflow

Draw a sphere - Rosetta Code

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How to draw a polygon in C++ such that the lines do not intersect? - Stack Overflow

How to build a simple 3D cube in OpenGL - Quora

symptote

c++ - OpenGL - object outline - Stack Overflow

c# - How correctly draw a polygon with OpenTK - Stack Overflow

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