/*-
 * redshift-ng - Automatically adjust display colour temperature according the Sun
 * 
 * Copyright (c) 2009-2018        Jon Lund Steffensen <jonlst@gmail.com>
 * Copyright (c) 2014-2016, 2025  Mattias Andrée <m@maandree.se>
 * 
 * redshift-ng is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * redshift-ng is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with redshift-ng.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "common.h"


static int
drm_create(struct gamma_state **state_out)
{
	return direct_create(state_out, LIBGAMMA_METHOD_LINUX_DRM, "drm");
}


static void
drm_print_help(FILE *f)
{
	fputs(_("Adjust gamma ramps with Direct Rendering Manager.\n"), f);
	fputs("\n", f);

	/* TRANSLATORS: DRM help output left column must not be translated */
	fputs(_("  card=N        Graphics card to apply adjustments to\n"), f);
	fputs(_("  crtc=N        List of comma-separated CRTCs to apply adjustments to\n"), f);
	fputs("\n", f);
}


static int
drm_set_option(struct gamma_state *state, const char *key, const char *value)
{
	if (!strcasecmp(key, "card")) {
		return direct_set_partitions(state, key, value);
	} else if (!strcasecmp(key, "crtc")) {
		return direct_set_crtcs(state, key, value);
	} else {
		weprintf(_("Unknown method parameter: `%s'."), key);
		return -1;
	}
}


#define drm_start    direct_start
#define drm_apply    direct_apply
#define drm_restore  direct_restore
#define drm_free     direct_free
const struct gamma_method drm_gamma_method = GAMMA_METHOD_INIT("drm", 0, 0, drm);