1#!/usr/local/bin/python3.8
2# vim:fileencoding=utf-8
3# License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
4
5import os
6import re
7import shlex
8import shutil
9import subprocess
10
11
12cmdline = (
13    'glad --out-path {dest} --api gl:core=3.3 '
14    ' --extensions GL_ARB_texture_storage,GL_ARB_copy_image,GL_ARB_multisample,GL_ARB_robustness,GL_KHR_debug '
15    'c --header-only --debug'
16)
17
18
19def clean(x):
20    if os.path.exists(x):
21        shutil.rmtree(x)
22
23
24def regenerate():
25    clean('out')
26
27    subprocess.check_call(
28        shlex.split(cmdline.format(dest='out'))
29    )
30
31
32def strip_trailing_whitespace(c):
33    return re.sub(r'\s+$', '', c, flags=re.MULTILINE) + '\n'
34
35
36def export():
37    with open('out/include/glad/gl.h', 'r', encoding='utf-8') as source:
38        data = source.read()
39        data = strip_trailing_whitespace(data)
40
41        with open('../kitty/gl-wrapper.h', 'w', encoding='utf-8') as dest:
42            dest.write(data)
43
44
45if __name__ == '__main__':
46    os.chdir(os.path.dirname(os.path.abspath(__file__)))
47    regenerate()
48    export()
49