"""
NOTE: This example is from ModernGL 4 or earlier. We simply disable and archive them for now.
"""

# import struct
# import sys

# import ModernGL
# from OpenGL.GLUT import (
#     GLUT_DEPTH, GLUT_DOUBLE, GLUT_RGB, glutCreateWindow, glutDisplayFunc, glutIdleFunc, glutInit, glutInitDisplayMode,
#     glutInitWindowSize, glutMainLoop, glutSwapBuffers
# )

# width, height = 1280, 720

# glutInit(sys.argv)
# glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH)
# glutInitWindowSize(width, height)
# glutCreateWindow(b'')

# ctx = ModernGL.create_context()

# prog = ctx.program(
#     ctx.vertex_shader('''
#         #version 330

#         uniform vec2 WindowSize;

#         in vec2 in_vert;
#         in vec3 in_color;

#         out vec3 v_color;

#         void main() {
#             v_color = in_color;
#             gl_Position = vec4(in_vert / WindowSize * 2.0, 0.0, 1.0);
#         }
#     '''),
#     ctx.fragment_shader('''
#         #version 330

#         in vec3 v_color;
#         out vec4 f_color;

#         void main() {
#             f_color = vec4(v_color, 1.0);
#         }
#     '''),
# ])

# window_size = prog.uniforms['WindowSize']

# vbo = ctx.buffer(struct.pack(
#     '15f',
#     0.0, 100.0, 1.0, 0.0, 0.0,
#     -86.0, -50.0, 0.0, 1.0, 0.0,
#     86.0, -50.0, 0.0, 0.0, 1.0,
# ))

# vao = ctx.simple_vertex_array(prog, vbo, ['in_vert', 'in_color'])


# def display():
#     ctx.viewport = (0, 0, width, height)
#     ctx.clear(0.9, 0.9, 0.9)
#     ctx.enable(ModernGL.BLEND)
#     window_size.value = (width, height)
#     vao.render()

#     glutSwapBuffers()


# glutDisplayFunc(display)
# glutIdleFunc(display)
# glutMainLoop()