GlutMainLoop() // Enter the event-processing loop GlutDisplayFunc(display) // Register display callback handler for window re-paint GlutInitWindowPosition(50, 50) // Position the window's initial top-left corner GlutInitWindowSize(320, 320) // Set the window's initial width & height GlutCreateWindow('OpenGL Setup Test') // Create a window with the given title * Main function: GLUT runs as a console application starting at main() */ GlBegin(GL_QUADS) // Each set of 4 vertices form a quad GlClear(GL_COLOR_BUFFER_BIT) // Clear the color buffer (background) // Draw a Red 1x1 Square centered at origin GlClearColor(0.0f, 0.0f, 0.0f, 1.0f) // Set background color to black and opaque Whenever the window needs to be re-painted.
Call back when the window first appears and #include // GLUT, include glu.h and gl.h /* Handler for window-repaint event. * To compile with -lfreeglut -lglu32 -lopengl32 * Tested under Eclipse CDT with MinGW/Cygwin and CodeBlocks with MinGW * GL01Hello.cpp: Test OpenGL/GLUT C/C++ Setup Make sure that you can run the ' GL01Hello.cpp' described in ' How to write OpenGL programs in C/C++', reproduced below:
To set up OpenGL, depending on your programming platform, read: