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

Describing Points, Lines, and Polygons, OpenGL Programming Guide: State Management and Drawing Geometric Objects

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

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

Draw a sphere - Rosetta Code

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

c++ - Drawing a line in modern OpenGL - Stack Overflow

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

c++ - Drawing tessallated LineLoops in OpenGL/GLSL - Stack Overflow

firemonkey Jon L. Aasenden

timw – Tim Wheeler

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

c++ - Black lines between 2d textures - Stack Overflow

symptote

OpenGL Superbible