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/* gamma-drm.h -- DRM gamma adjustment header
This file is part of Redshift.
Redshift 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 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. If not, see <http://www.gnu.org/licenses/>.
Copyright (c) 2014 Mattias Andrée <maandree@member.fsf.org>
*/
#ifndef REDSHIFT_GAMMA_DRM_H
#define REDSHIFT_GAMMA_DRM_H
#include <stdint.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "redshift.h"
typedef struct {
int crtc_num;
int crtc_id;
int gamma_size;
uint16_t* r_gamma;
uint16_t* g_gamma;
uint16_t* b_gamma;
} drm_crtc_state_t;
typedef struct {
int card_num;
int crtc_num;
int fd;
drmModeRes* res;
drm_crtc_state_t* crtcs;
} drm_state_t;
int drm_init(drm_state_t *state);
int drm_start(drm_state_t *state);
void drm_free(drm_state_t *state);
void drm_print_help(FILE *f);
int drm_set_option(drm_state_t *state, const char *key, const char *value);
void drm_restore(drm_state_t *state);
int drm_set_temperature(drm_state_t *state,
const color_setting_t *setting);
#endif /* ! REDSHIFT_GAMMA_DRM_H */
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