85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
#!/usr/bin/env python3
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# Copyright 2021 Collabora, Ltd.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice (including the
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# next paragraph) shall be included in all copies or substantial
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# portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# Helper script that reads drm_fourcc.h and writes a static table with the
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# simpler format token modifiers
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import sys
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import re
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filename = sys.argv[1]
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towrite = sys.argv[2]
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fm_re = {
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'intel': r'^#define I915_FORMAT_MOD_(\w+)',
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'others': r'^#define DRM_FORMAT_MOD_((?:ARM|SAMSUNG|QCOM|VIVANTE|NVIDIA|BROADCOM|ALLWINNER)\w+)\s',
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'vendors': r'^#define DRM_FORMAT_MOD_VENDOR_(\w+)'
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}
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def print_fm_intel(f, f_mod):
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f.write(' {{ DRM_MODIFIER_INTEL({}, {}) }},\n'.format(f_mod, f_mod))
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# generic write func
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def print_fm(f, vendor, mod, f_name):
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f.write(' {{ DRM_MODIFIER({}, {}, {}) }},\n'.format(vendor, mod, f_name))
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with open(filename, "r") as f:
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data = f.read()
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for k, v in fm_re.items():
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fm_re[k] = re.findall(v, data, flags=re.M)
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with open(towrite, "w") as f:
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f.write('''\
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/* AUTOMATICALLY GENERATED by gen_table_fourcc.py. You should modify
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that script instead of adding here entries manually! */
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static const struct drmFormatModifierInfo drm_format_modifier_table[] = {
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''')
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f.write(' { DRM_MODIFIER_INVALID(NONE, INVALID_MODIFIER) },\n')
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f.write(' { DRM_MODIFIER_LINEAR(NONE, LINEAR) },\n')
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for entry in fm_re['intel']:
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print_fm_intel(f, entry)
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for entry in fm_re['others']:
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(vendor, mod) = entry.split('_', 1)
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if vendor == 'ARM' and (mod == 'TYPE_AFBC' or mod == 'TYPE_MISC' or mod == 'TYPE_AFRC'):
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continue
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print_fm(f, vendor, mod, mod)
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f.write('''\
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};
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''')
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f.write('''\
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static const struct drmFormatModifierVendorInfo drm_format_modifier_vendor_table[] = {
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''')
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for entry in fm_re['vendors']:
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f.write(" {{ DRM_FORMAT_MOD_VENDOR_{}, \"{}\" }},\n".format(entry, entry))
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f.write('''\
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};
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''')
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