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#! /usr/bin/python3
# This is the example from upstream README file. It may need adjustments in
# case of api changes. The original script is modified to be more verbose, and
# to finish in a finite time; the original script shows a window open until
# someone closes manually the window.
import glfw
def main():
print("Initialize the library")
if not glfw.init():
return 1
print("Create a windowed mode window and its OpenGL context")
window = glfw.create_window(640, 480, "Hello World", None, None)
if not window:
glfw.terminate()
return 2
print("Make the window's context current")
glfw.make_context_current(window)
print("Loop until the user closes the window or a certain number of")
print("iterations has passed, for unattended tests")
i = 0
while i < 8 and not glfw.window_should_close(window):
print("Render here, e.g. using pyOpenGL")
i = i + 1
print("(iteration " + str(i) + ")")
print("Swap front and back buffers")
glfw.swap_buffers(window)
print("Poll for and process events")
glfw.poll_events()
print("Terminate the library")
glfw.terminate()
return 0
if __name__ == "__main__":
exit(main())
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