Creating the OpenGL application generally consists of the following steps:
- Creating shader programs
- Creating buffer objects and loading data into them
- Connecting data in the buffer objects with variables in the shader programs
OpenGL applications also need a space to render into, which is usually an on-screen window. OpenGL interact with native windowing system of a given operating system to create this window. An intermediate between OpenGL and the native windowing system is GLUT open-source library.
Similarly to windowing systems, operating systems have different ways of working with library functions. Sometimes OpenGL applications need to use operating-system specific methods to access certain functions. To make the function access easy, there is another open-source library called GLEW, which is part of OpenGL application setup.