diff options
Diffstat (limited to 'src/gamma-drm.c')
| -rw-r--r-- | src/gamma-drm.c | 95 |
1 files changed, 37 insertions, 58 deletions
diff --git a/src/gamma-drm.c b/src/gamma-drm.c index 30d1f23..7ed223d 100644 --- a/src/gamma-drm.c +++ b/src/gamma-drm.c @@ -14,66 +14,45 @@ 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 <m@maandree.se> - Copyright (c) 2017 Jon Lund Steffensen <jonlst@gmail.com> + Copyright (c) 2014, 2025 Mattias Andrée <m@maandree.se> + Copyright (c) 2017 Jon Lund Steffensen <jonlst@gmail.com> */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> - -#ifdef ENABLE_NLS -# include <libintl.h> -# define _(s) gettext(s) -#else -# define _(s) s -#endif - -#ifndef O_CLOEXEC - #define O_CLOEXEC 02000000 -#endif +#include "common.h" #include <xf86drm.h> #include <xf86drmMode.h> -#include "common.h" +#ifndef O_CLOEXEC +# define O_CLOEXEC 02000000 +#endif -typedef struct { +struct drm_crtc_state { 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; + uint16_t *r_gamma; + uint16_t *g_gamma; + uint16_t *b_gamma; +}; -typedef struct { +struct gamma_state { int card_num; int crtc_num; int fd; - drmModeRes* res; - drm_crtc_state_t* crtcs; -} drm_state_t; + drmModeRes *res; + struct drm_crtc_state *crtcs; +}; static int -drm_init(drm_state_t **state) +drm_init(struct gamma_state **state) { /* Initialize state. */ - *state = malloc(sizeof(drm_state_t)); + *state = malloc(sizeof(struct gamma_state)); if (*state == NULL) return -1; - drm_state_t *s = *state; + struct gamma_state *s = *state; s->card_num = 0; s->crtc_num = -1; s->fd = -1; @@ -84,7 +63,7 @@ drm_init(drm_state_t **state) } static int -drm_start(drm_state_t *state, program_mode_t mode) +drm_start(struct gamma_state *state, enum program_mode mode) { /* Acquire access to a graphics card. */ long maxlen = strlen(DRM_DIR_NAME) + strlen(DRM_DEV_NAME) + 10; @@ -130,7 +109,7 @@ drm_start(drm_state_t *state, program_mode_t mode) return -1; } - state->crtcs = malloc(2 * sizeof(drm_crtc_state_t)); + state->crtcs = malloc(2 * sizeof(struct drm_crtc_state)); state->crtcs[1].crtc_num = -1; state->crtcs->crtc_num = state->crtc_num; @@ -141,7 +120,7 @@ drm_start(drm_state_t *state, program_mode_t mode) state->crtcs->b_gamma = NULL; } else { int crtc_num; - state->crtcs = malloc((crtc_count + 1) * sizeof(drm_crtc_state_t)); + state->crtcs = malloc((crtc_count + 1) * sizeof(struct drm_crtc_state)); state->crtcs[crtc_count].crtc_num = -1; for (crtc_num = 0; crtc_num < crtc_count; crtc_num++) { state->crtcs[crtc_num].crtc_num = crtc_num; @@ -154,7 +133,7 @@ drm_start(drm_state_t *state, program_mode_t mode) } /* Load CRTC information and gamma ramps. */ - drm_crtc_state_t *crtcs = state->crtcs; + struct drm_crtc_state *crtcs = state->crtcs; for (; crtcs->crtc_num >= 0; crtcs++) { crtcs->crtc_id = state->res->crtcs[crtcs->crtc_num]; drmModeCrtc* crtc_info = drmModeGetCrtc(state->fd, crtcs->crtc_id); @@ -202,9 +181,9 @@ drm_start(drm_state_t *state, program_mode_t mode) } static void -drm_restore(drm_state_t *state) +drm_restore(struct gamma_state *state) { - drm_crtc_state_t *crtcs = state->crtcs; + struct drm_crtc_state *crtcs = state->crtcs; while (crtcs->crtc_num >= 0) { if (crtcs->r_gamma != NULL) { drmModeCrtcSetGamma(state->fd, crtcs->crtc_id, crtcs->gamma_size, @@ -215,10 +194,10 @@ drm_restore(drm_state_t *state) } static void -drm_free(drm_state_t *state) +drm_free(struct gamma_state *state) { if (state->crtcs != NULL) { - drm_crtc_state_t *crtcs = state->crtcs; + struct drm_crtc_state *crtcs = state->crtcs; while (crtcs->crtc_num >= 0) { free(crtcs->r_gamma); crtcs->crtc_num = -1; @@ -253,7 +232,7 @@ drm_print_help(FILE *f) } static int -drm_set_option(drm_state_t *state, const char *key, const char *value) +drm_set_option(struct gamma_state *state, const char *key, const char *value) { if (strcasecmp(key, "card") == 0) { state->card_num = atoi(value); @@ -273,9 +252,9 @@ drm_set_option(drm_state_t *state, const char *key, const char *value) static int drm_set_temperature( - drm_state_t *state, const color_setting_t *setting, int preserve) + struct gamma_state *state, const struct color_setting *setting, int preserve) { - drm_crtc_state_t *crtcs = state->crtcs; + struct drm_crtc_state *crtcs = state->crtcs; uint32_t last_gamma_size = 0; uint16_t *r_gamma = NULL; uint16_t *g_gamma = NULL; @@ -322,13 +301,13 @@ drm_set_temperature( } -const gamma_method_t drm_gamma_method = { +const struct gamma_method drm_gamma_method = { "drm", 0, - (gamma_method_init_func *)drm_init, - (gamma_method_start_func *)drm_start, - (gamma_method_free_func *)drm_free, - (gamma_method_print_help_func *)drm_print_help, - (gamma_method_set_option_func *)drm_set_option, - (gamma_method_restore_func *)drm_restore, - (gamma_method_set_temperature_func *)drm_set_temperature + &drm_init, + &drm_start, + &drm_free, + &drm_print_help, + &drm_set_option, + &drm_restore, + &drm_set_temperature }; |