Sort sun and wayland code
Kenny Levinsen
parent
1da4343e31
commit
b43cd9f343
358
main.c
358
main.c
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@ -64,6 +64,14 @@ static inline void adjust_timerspec(struct itimerspec *timerspec) {
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}
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#endif
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static time_t round_day(time_t now) {
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return now - (now % 86400);
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}
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static time_t tomorrow(time_t now) {
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return round_day(now) + 86400;
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}
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struct config {
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int high_temp;
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int low_temp;
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@ -111,185 +119,6 @@ struct output {
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uint16_t *table;
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};
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static time_t round_day(time_t now) {
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return now - (now % 86400);
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}
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static time_t tomorrow(time_t now) {
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return round_day(now) + 86400;
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}
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static struct zwlr_gamma_control_manager_v1 *gamma_control_manager = NULL;
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static int create_anonymous_file(off_t size) {
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char template[] = "/tmp/wlsunset-shared-XXXXXX";
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int fd = mkstemp(template);
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if (fd < 0) {
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return -1;
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}
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int ret;
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do {
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errno = 0;
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ret = ftruncate(fd, size);
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} while (errno == EINTR);
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if (ret < 0) {
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close(fd);
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return -1;
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}
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unlink(template);
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return fd;
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}
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static int create_gamma_table(uint32_t ramp_size, uint16_t **table) {
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size_t table_size = ramp_size * 3 * sizeof(uint16_t);
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int fd = create_anonymous_file(table_size);
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if (fd < 0) {
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fprintf(stderr, "failed to create anonymous file\n");
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return -1;
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}
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void *data =
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mmap(NULL, table_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (data == MAP_FAILED) {
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fprintf(stderr, "failed to mmap()\n");
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close(fd);
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return -1;
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}
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*table = data;
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return fd;
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}
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static void gamma_control_handle_gamma_size(void *data,
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struct zwlr_gamma_control_v1 *gamma_control, uint32_t ramp_size) {
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(void)gamma_control;
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struct output *output = data;
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output->ramp_size = ramp_size;
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if (output->table_fd != -1) {
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close(output->table_fd);
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}
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output->table_fd = create_gamma_table(ramp_size, &output->table);
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output->context->new_output = true;
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if (output->table_fd < 0) {
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fprintf(stderr, "could not create gamma table for output %d\n",
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output->id);
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exit(EXIT_FAILURE);
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}
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}
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static void gamma_control_handle_failed(void *data,
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struct zwlr_gamma_control_v1 *gamma_control) {
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(void)gamma_control;
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struct output *output = data;
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fprintf(stderr, "gamma control of output %d failed\n",
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output->id);
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zwlr_gamma_control_v1_destroy(output->gamma_control);
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output->gamma_control = NULL;
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if (output->table_fd != -1) {
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close(output->table_fd);
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output->table_fd = -1;
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}
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}
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static const struct zwlr_gamma_control_v1_listener gamma_control_listener = {
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.gamma_size = gamma_control_handle_gamma_size,
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.failed = gamma_control_handle_failed,
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};
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static void setup_output(struct output *output) {
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if (output->gamma_control != NULL) {
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return;
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}
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if (gamma_control_manager == NULL) {
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fprintf(stderr, "skipping setup of output %d: gamma_control_manager missing\n",
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output->id);
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return;
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}
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output->gamma_control = zwlr_gamma_control_manager_v1_get_gamma_control(
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gamma_control_manager, output->wl_output);
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zwlr_gamma_control_v1_add_listener(output->gamma_control,
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&gamma_control_listener, output);
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}
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static void registry_handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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(void)version;
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struct context *ctx = (struct context *)data;
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if (strcmp(interface, wl_output_interface.name) == 0) {
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fprintf(stderr, "registry: adding output %d\n", name);
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struct output *output = calloc(1, sizeof(struct output));
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output->id = name;
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output->wl_output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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output->table_fd = -1;
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output->context = ctx;
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wl_list_insert(&ctx->outputs, &output->link);
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setup_output(output);
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} else if (strcmp(interface,
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zwlr_gamma_control_manager_v1_interface.name) == 0) {
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gamma_control_manager = wl_registry_bind(registry, name,
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&zwlr_gamma_control_manager_v1_interface, 1);
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}
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}
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static void registry_handle_global_remove(void *data,
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struct wl_registry *registry, uint32_t name) {
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(void)registry;
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struct context *ctx = (struct context *)data;
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struct output *output, *tmp;
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wl_list_for_each_safe(output, tmp, &ctx->outputs, link) {
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if (output->id == name) {
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fprintf(stderr, "registry: removing output %d\n", name);
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wl_list_remove(&output->link);
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if (output->gamma_control != NULL) {
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zwlr_gamma_control_v1_destroy(output->gamma_control);
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}
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if (output->table_fd != -1) {
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close(output->table_fd);
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}
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free(output);
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break;
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}
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}
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}
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static const struct wl_registry_listener registry_listener = {
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.global = registry_handle_global,
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.global_remove = registry_handle_global_remove,
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};
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static void fill_gamma_table(uint16_t *table, uint32_t ramp_size, double rw, double gw, double bw, double gamma) {
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uint16_t *r = table;
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uint16_t *g = table + ramp_size;
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uint16_t *b = table + 2 * ramp_size;
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for (uint32_t i = 0; i < ramp_size; ++i) {
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double val = (double)i / (ramp_size - 1);
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r[i] = (uint16_t)(UINT16_MAX * pow(val * rw, 1.0 / gamma));
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g[i] = (uint16_t)(UINT16_MAX * pow(val * gw, 1.0 / gamma));
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b[i] = (uint16_t)(UINT16_MAX * pow(val * bw, 1.0 / gamma));
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}
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}
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static void set_temperature(struct wl_list *outputs, int temp, int gamma) {
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double rw, gw, bw;
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calc_whitepoint(temp, &rw, &gw, &bw);
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fprintf(stderr, "setting temperature to %d K\n", temp);
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struct output *output;
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wl_list_for_each(output, outputs, link) {
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if (output->gamma_control == NULL || output->table_fd == -1) {
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continue;
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}
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fill_gamma_table(output->table, output->ramp_size,
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rw, gw, bw, gamma);
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lseek(output->table_fd, 0, SEEK_SET);
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zwlr_gamma_control_v1_set_gamma(output->gamma_control,
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output->table_fd);
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}
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}
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static void print_trajectory(struct context *ctx) {
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fprintf(stderr, "calculated sun trajectory: ");
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struct tm dawn, sunrise, sunset, dusk;
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@ -489,6 +318,177 @@ static void update_timer(const struct context *ctx, timer_t timer, time_t now) {
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timer_settime(timer, TIMER_ABSTIME, &timerspec, NULL);
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}
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static struct zwlr_gamma_control_manager_v1 *gamma_control_manager = NULL;
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static int create_anonymous_file(off_t size) {
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char template[] = "/tmp/wlsunset-shared-XXXXXX";
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int fd = mkstemp(template);
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if (fd < 0) {
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return -1;
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}
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int ret;
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do {
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errno = 0;
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ret = ftruncate(fd, size);
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} while (errno == EINTR);
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if (ret < 0) {
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close(fd);
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return -1;
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}
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unlink(template);
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return fd;
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}
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static int create_gamma_table(uint32_t ramp_size, uint16_t **table) {
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size_t table_size = ramp_size * 3 * sizeof(uint16_t);
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int fd = create_anonymous_file(table_size);
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if (fd < 0) {
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fprintf(stderr, "failed to create anonymous file\n");
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return -1;
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}
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void *data =
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mmap(NULL, table_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (data == MAP_FAILED) {
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fprintf(stderr, "failed to mmap()\n");
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close(fd);
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return -1;
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}
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*table = data;
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return fd;
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}
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static void gamma_control_handle_gamma_size(void *data,
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struct zwlr_gamma_control_v1 *gamma_control, uint32_t ramp_size) {
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(void)gamma_control;
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struct output *output = data;
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output->ramp_size = ramp_size;
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if (output->table_fd != -1) {
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close(output->table_fd);
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}
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output->table_fd = create_gamma_table(ramp_size, &output->table);
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output->context->new_output = true;
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if (output->table_fd < 0) {
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fprintf(stderr, "could not create gamma table for output %d\n",
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output->id);
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exit(EXIT_FAILURE);
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}
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}
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static void gamma_control_handle_failed(void *data,
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struct zwlr_gamma_control_v1 *gamma_control) {
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(void)gamma_control;
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struct output *output = data;
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fprintf(stderr, "gamma control of output %d failed\n",
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output->id);
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zwlr_gamma_control_v1_destroy(output->gamma_control);
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output->gamma_control = NULL;
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if (output->table_fd != -1) {
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close(output->table_fd);
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output->table_fd = -1;
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}
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}
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static const struct zwlr_gamma_control_v1_listener gamma_control_listener = {
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.gamma_size = gamma_control_handle_gamma_size,
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.failed = gamma_control_handle_failed,
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};
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static void setup_output(struct output *output) {
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if (output->gamma_control != NULL) {
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return;
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}
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if (gamma_control_manager == NULL) {
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fprintf(stderr, "skipping setup of output %d: gamma_control_manager missing\n",
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output->id);
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return;
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}
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output->gamma_control = zwlr_gamma_control_manager_v1_get_gamma_control(
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gamma_control_manager, output->wl_output);
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zwlr_gamma_control_v1_add_listener(output->gamma_control,
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&gamma_control_listener, output);
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}
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static void registry_handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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(void)version;
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struct context *ctx = (struct context *)data;
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if (strcmp(interface, wl_output_interface.name) == 0) {
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fprintf(stderr, "registry: adding output %d\n", name);
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struct output *output = calloc(1, sizeof(struct output));
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output->id = name;
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output->wl_output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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output->table_fd = -1;
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output->context = ctx;
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wl_list_insert(&ctx->outputs, &output->link);
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setup_output(output);
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} else if (strcmp(interface,
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zwlr_gamma_control_manager_v1_interface.name) == 0) {
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gamma_control_manager = wl_registry_bind(registry, name,
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&zwlr_gamma_control_manager_v1_interface, 1);
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}
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}
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static void registry_handle_global_remove(void *data,
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struct wl_registry *registry, uint32_t name) {
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(void)registry;
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struct context *ctx = (struct context *)data;
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struct output *output, *tmp;
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wl_list_for_each_safe(output, tmp, &ctx->outputs, link) {
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if (output->id == name) {
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fprintf(stderr, "registry: removing output %d\n", name);
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wl_list_remove(&output->link);
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if (output->gamma_control != NULL) {
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zwlr_gamma_control_v1_destroy(output->gamma_control);
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}
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if (output->table_fd != -1) {
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close(output->table_fd);
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}
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free(output);
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break;
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}
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}
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}
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static const struct wl_registry_listener registry_listener = {
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.global = registry_handle_global,
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.global_remove = registry_handle_global_remove,
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};
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static void fill_gamma_table(uint16_t *table, uint32_t ramp_size, double rw, double gw, double bw, double gamma) {
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uint16_t *r = table;
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uint16_t *g = table + ramp_size;
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uint16_t *b = table + 2 * ramp_size;
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for (uint32_t i = 0; i < ramp_size; ++i) {
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double val = (double)i / (ramp_size - 1);
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r[i] = (uint16_t)(UINT16_MAX * pow(val * rw, 1.0 / gamma));
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g[i] = (uint16_t)(UINT16_MAX * pow(val * gw, 1.0 / gamma));
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b[i] = (uint16_t)(UINT16_MAX * pow(val * bw, 1.0 / gamma));
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}
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}
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static void set_temperature(struct wl_list *outputs, int temp, int gamma) {
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double rw, gw, bw;
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calc_whitepoint(temp, &rw, &gw, &bw);
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fprintf(stderr, "setting temperature to %d K\n", temp);
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struct output *output;
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wl_list_for_each(output, outputs, link) {
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if (output->gamma_control == NULL || output->table_fd == -1) {
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continue;
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}
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fill_gamma_table(output->table, output->ramp_size,
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rw, gw, bw, gamma);
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lseek(output->table_fd, 0, SEEK_SET);
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zwlr_gamma_control_v1_set_gamma(output->gamma_control,
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output->table_fd);
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}
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}
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static int timer_fired = 0;
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static int timer_signal_fds[2];
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