48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
# Copyright (C) 2022 RozK
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from pathlib import Path
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from engine import load_shader
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#TODO: preprocessing (at least includes)
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def load(vert_name, frag_name = ''):
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path = Path('.') / 'game' / 'shaders'
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if not frag_name:
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frag_name = vert_name
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def _cleanup(_line):
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return _line.partition('//')[0].strip()
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def _filter(_line):
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return _line
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def _convert(_line):
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return bytes(_line, 'utf-8') + b'\n'
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def load_source(_path):
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if not _path.exists():
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print("Cannot find", _path)
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return None
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return list(map(_convert, filter(_filter, map(_cleanup, open(_path, 'rt')))))
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print("Loading vertex shader", vert_name)
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vert_lines = load_source(path / (vert_name + '_opengles.vert'))
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if not vert_lines:
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print("Error: Vertex shader is empty.")
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return None
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print("Loading fragment shader", frag_name)
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frag_lines = load_source(path / (frag_name + '_opengles.frag'))
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if not frag_lines:
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print("Error: Fragment shader is empty.")
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return None
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return load_shader(vert_lines, frag_lines)
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