9a076076c0
Some output devices only advertise their preferred mode even though they're able to display others too. This means we can include some common modes in each output's supported list. This is particularly important for mirroring, since we can only mirror outputs which are using the same resolution. https://bugzilla.gnome.org/show_bug.cgi?id=744544
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
# Copyright (C) 2016 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (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, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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import os
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import sys
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common_resolutions = [
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# 4:3
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(800, 600),
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(1024, 768),
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(1152, 864),
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(1280, 960),
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(1400, 1050),
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(1440, 1080),
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(1600, 1200),
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(1920, 1440),
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(2048, 1536),
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# 16:10
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(1280, 800),
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(1440, 900),
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(1680, 1050),
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(1920, 1200),
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(2560, 1600),
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# 16:9
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(1280, 720),
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(1366, 768),
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(1600, 900),
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(1920, 1080),
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(2048, 1152),
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(2560, 1440),
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(2880, 1620),
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(3200, 1800),
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(3840, 2160),
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(4096, 2304),
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(5120, 2880),
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]
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output_lines = [
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"/* Generated by gen-default-modes.py */\n",
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"const drmModeModeInfo meta_default_drm_mode_infos[] = {",
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]
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def sync_flags(hsync, vsync):
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flags = "DRM_MODE_FLAG_"
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flags += "NHSYNC" if hsync[0] is '-' else "PHSYNC"
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flags += " | DRM_MODE_FLAG_"
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flags += "NVSYNC" if vsync[0] is '-' else "PVSYNC"
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return flags
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def drm_mode_info_from_modeline(line):
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sline = line.split()
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return "{ %d, %d, %d, %d, %d, 0, %d, %d, %d, %d, 0, 0, %s, DRM_MODE_TYPE_DEFAULT, %s }," % \
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(int(float(sline[2]) * 1000),
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int(sline[3]),
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int(sline[4]),
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int(sline[5]),
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int(sline[6]),
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int(sline[7]),
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int(sline[8]),
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int(sline[9]),
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int(sline[10]),
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sync_flags(sline[11], sline[12]),
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sline[1])
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for resolution in common_resolutions:
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cvt = os.popen("%s %s %s" % ('cvt', resolution[0], resolution[1]))
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cvt.readline() # discard comment line
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line = cvt.readline()
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output_lines.append(drm_mode_info_from_modeline(line))
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cvt.close()
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output_lines.append("};")
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for line in output_lines:
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sys.stdout.write(line + "\n")
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sys.stdout.flush()
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