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How to install OpenGL in Ubuntu in C?
What Is OpenGL?
OpenGL is a Graphics rendering API which is operating system independent, window system independent and has high-quality color images composed of geometric and image primitives. OpenGL APIs can use following -
- GL
- OpenGL API implementation (http://www.opengl.org)
- GLU
- OpenGL Utility
- Glut
- GLUT (OpenGL Utility Toolkit) Glut is portable windowing API and it is not officially part of OpenGL.
- OpenGL Utility Toolkit (http://www.opengl.org/resources/libraries/glut/)
- FLTK
- FlashLight ToolKit (http://www.fltk.org/)
- GLEW
Now lets see how to install OpenGL in Ubuntu.
Now because GLUT (OpenGL Utility Toolkit) depends upon OpenGL and a number of other related libraries, if we install GLUT then OpenGL will be automatically be installed.
First update the repository using the given command
$ sudo apt-get update
Run the following command to install OpenGL.
$ sudo apt-get install libglu1-mesa-dev freeglut3-dev mesa-common-dev
Now to test if OpenGL libraries are working fine on our Linux machine, we will create a C++ program and test it.
So create a following C++ Program.
#include <GL/glut.h>void displayMe(void){ glClear(GL_COLOR_BUFFER_BIT); glBegin(GL_POLYGON); glVertex3f(0.5, 0.0, 0.5); glVertex3f(0.5, 0.0, 0.0); glVertex3f(0.0, 0.5, 0.0); glVertex3f(0.0, 0.0, 0.5); glEnd(); glFlush();}int main(int argc, char** argv){ glutInit(&argc, argv); glutInitDisplayMode(GLUT_SINGLE); glutInitWindowSize(400, 300); glutInitWindowPosition(100, 100); glutCreateWindow("Hello world!"); glutDisplayFunc(displayMe); glutMainLoop(); return 0;}
Now give the command below to compile your code.
$ g++ main.cpp -o firstOpenGlApp -lglut -lGLU -lGL
Now run your OpenGl program with following command
$ ./firstOpenGlApp
You will see something like this on your screen if everythings went well.
Original Link: https://dev.to/iamsahebgiri/how-to-install-opengl-in-ubuntu-in-c-6eb
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