diff options
Diffstat (limited to 'src/backend-direct.c')
| -rw-r--r-- | src/backend-direct.c | 941 |
1 files changed, 0 insertions, 941 deletions
diff --git a/src/backend-direct.c b/src/backend-direct.c deleted file mode 100644 index 9f62c4d..0000000 --- a/src/backend-direct.c +++ /dev/null @@ -1,941 +0,0 @@ -/*- - * 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" - - -/** - * Union of libgamma gamma ramp structures - */ -union gamma_ramps { - /** - * Gamma ramp sizes - */ - struct { - size_t red; /**< Size of the gamma ramp for the red channel */ - size_t green; /**< Size of the gamma ramp for the green channel */ - size_t blue; /**< Size of the gamma ramp for the blue channel */ - } size; - - /* Ramp structures */ -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - struct libgamma_gamma_##RAMPS RAMPS - LIST_RAMPS_STOP_VALUE_TYPES(X, ;); -#undef X -}; - - -/** - * State for partition (e.g. X screen or graphics card) - */ -struct partition_state { - /** - * libgamma state - */ - struct libgamma_partition_state state; - - /** - * Index of CRTC when indexing spans multiple X screens - */ - size_t crtc_num_offset; -}; - - -/** - * CRTC state - */ -struct crtc_state { - /** - * libgamma state - */ - struct libgamma_crtc_state state; - - /** - * Gamma ramp depth, 0 if uninitialised, - * -1 if single-precision float, - * -2 if double-precision float, - * otherwise the number of bits (of unsigned integer) - */ - signed gamma_depth; - - /** - * Gamma ramps used by the gamma adjustment function - */ - union gamma_ramps gamma_ramps; - - /** - * Original state of gamma ramps - */ - union gamma_ramps saved_gamma_ramps; -}; - - -/** - * CRTC number, either overall number or partion and number within partition - */ -struct crtc_number { - /** - * The partition of the EDID, -1 if using overall ordinal - */ - ssize_t partition; - - /** - * CRTC number within the partition, or overall if no partition is specified - */ - size_t crtc; -}; - - -struct gamma_state { - /** - * libgamma state for the site (e.g. X display) - */ - struct libgamma_site_state site; - - /** - * Whether the adjustment method supports fetching - * EDIDs from the outputs - */ - unsigned supports_edid : 1; - - /** - * Whether the adjustment method supports multiple - * sites rather than just the default site - */ - unsigned multiple_sites : 1; - - /** - * Whether the adjustment method supports multiple partitions - * per site - */ - unsigned multiple_partitions : 1; - - /** - * Whether the adjustment method supports multiple CRTC:s - * per partition per site - */ - unsigned multiple_crtcs : 1; - - /** - * Whether partitions are graphics cards - */ - unsigned partitions_are_graphics_cards : 1; - - /** - * Whether a parition has been selected - */ - unsigned partitions_selected : 1; - - /** - * Whether CRTCs have been selected - */ - unsigned crtcs_selected : 1; - - /** - * Whether the program has connected to the site - */ - unsigned connected : 1; - - /** - * The libgamma constant for the adjustment method - */ - int method; - - /** - * Number of selected CRTCs - */ - size_t ncrtcs; - - /** - * Number of selected EDIDs - */ - size_t nedids; - - /** - * Number of selected parition - */ - size_t npartitions; - - /** - * Selected paritions (if `partitions_selected`) - */ - size_t *selected_partitions; - - /** - * Selected CRTC numbers - * - * Deallocated by when no longer needed - */ - struct crtc_number *selected_crtcs; - - /** - * Selected EDIDs - * - * Deallocated by when no longer needed - */ - char **selected_edids; - - /** - * Name of site to connect to, `NULL` if not selected - * or once connected to the site - */ - char *site_name; - - /** - * State for selected paritions - */ - struct partition_state *partitions; - - /** - * State for selected CRTCs - */ - struct crtc_state *crtcs; -}; - - -int -direct_create(struct gamma_state **state_out, int method, const char *method_name) -{ - struct libgamma_method_capabilities caps; - struct gamma_state *state; - int err; - - *state_out = NULL; - - if (!libgamma_is_method_available(method)) { - weprintf(_("Adjustment method `%s' is not available"), method_name); - return -1; - } - - err = libgamma_method_capabilities(&caps, sizeof(caps), method); - if (err) { - weprintf("libgamma_method_capabilities %s: %s", libgamma_const_of_method(method), libgamma_strerror(err)); - return -1; - } - - state = *state_out = ecalloc(1, sizeof(**state_out)); - state->selected_crtcs = NULL; - state->partitions = NULL; - state->site_name = NULL; - state->method = method; - state->supports_edid = (caps.crtc_information & LIBGAMMA_CRTC_INFO_EDID) ? 1 : 0; - state->multiple_sites = caps.multiple_sites; - state->multiple_partitions = caps.multiple_partitions; - state->multiple_crtcs = caps.multiple_crtcs; - state->partitions_are_graphics_cards = caps.partitions_are_graphics_cards; - - if (state->multiple_sites) - return 0; - - err = libgamma_site_initialise(&state->site, method, NULL); - if (err) { - weprintf("libgamma_site_initialise %s NULL: %s", libgamma_const_of_method(method), libgamma_strerror(err)); - free(state); - *state_out = NULL; - return -1; - } - - return 0; -} - - -void -direct_print_help(int method) -{ - struct libgamma_method_capabilities caps; - - if (libgamma_method_capabilities(&caps, sizeof(caps), method)) { - printf(_("Adjustment method not available\n")); - printf("\n"); - return; - } - - if (caps.multiple_sites) - printf(" display=%s %s\n", _("NAME "), _("Display server instance to apply adjustments to")); - - if (caps.multiple_partitions && caps.partitions_are_graphics_cards) { - /* TRANSLATORS: "N" represents "ordinal"; right-pad with spaces to preserve display width */ - printf(" card=%s %s\n", _("N "), _("Graphics card to apply adjustments to")); - } else if (caps.multiple_partitions) { - /* TRANSLATORS: "N" represents "ordinal"; right-pad with spaces to preserve display width */ - printf(" screen=%s %s\n", _("N "), _("List of comma-separated X screens to apply adjustments to")); - } - - if (caps.multiple_crtcs) { - /* TRANSLATORS: "N" represents "number"; right-pad with spaces to preserve display width */ - printf(" crtc=%s %s\n", _("N "), _("List of comma-separated CRTCs to apply adjustments to")); - } - if (caps.multiple_crtcs && (caps.crtc_information & LIBGAMMA_CRTC_INFO_EDID)) { - printf(" edid=%s %s\n", _("EDID "), _("List of comma-separated EDIDS of monitors to apply " - "adjustments to, enter `list' to list available monitors")); - } - - if (caps.multiple_sites || caps.multiple_partitions || caps.multiple_crtcs) - printf("\n"); -} - - -int -direct_set_option(struct gamma_state *state, const char *key, const char *value) -{ - if (state->multiple_sites && !strcasecmp(key, "display")) { - return direct_set_site(state, key, value); - } else if (state->multiple_partitions && !strcasecmp(key, state->partitions_are_graphics_cards ? "card" : "screen")) { - return direct_set_partitions(state, key, value); - } else if (state->multiple_crtcs && !strcasecmp(key, "crtc")) { - return direct_set_crtcs(state, key, value); - } else if (state->multiple_crtcs && state->supports_edid && !strcasecmp(key, "edid")) { - return direct_set_edids(state, key, value); - } else if (!strcasecmp(key, "preserve")) { - weprintf(_("Deprecated method parameter ignored: `%s'."), key); - return 0; - } else { - weprintf(_("Unknown method parameter: `%s'."), key); - return -1; - } -} - - -int -direct_set_site(struct gamma_state *state, const char *key, const char *value) -{ - if (state->site_name) { - weprintf(_("`%s' option specified multiple times, using last selection."), key); - free(state->site_name); - } - state->site_name = estrdup(value); - return 0; -} - - -int -direct_set_partitions(struct gamma_state *state, const char *key, const char *value) -{ - const char *end, *p; - uintmax_t num; - size_t count; - - /* Check previously unspecified */ - if (state->partitions_selected) - weprintf(_("`%s' option specified multiple times, using last selection."), key); - state->partitions_selected = 1; - - /* Check if all are selected */ - state->npartitions = 0; - free(state->selected_partitions); - state->selected_partitions = NULL; - if (!*value || !strcasecmp(value, "all")) - return 0; - - /* Get number count */ - for (p = value, count = 1; *p; p++) - if (*p == ',') - count++; - state->selected_partitions = ecalloc(count, sizeof(*state->selected_partitions)); - - /* Parse numbers */ - errno = 0; - for (p = value; *p; p = end) { - num = strtoumax(p, (void *)&end, 10); - state->selected_partitions[state->npartitions++] = (size_t)num; - if (num > (uintmax_t)SIZE_MAX || (*end && *end != ',') || !isdigit(*p) || errno) { - weprintf(_("Invalid value of `%s' option: `%s'."), key, value); - return -1; - } - end = &end[*end == ',']; - } - - return 0; -} - - -int -direct_set_crtcs(struct gamma_state *state, const char *key, const char *value) -{ - const char *end, *p; - uintmax_t num; - size_t count; - - /* Check previously unspecified */ - if (state->crtcs_selected) - weprintf(_("`%s' option specified multiple times, using last selection."), key); - state->crtcs_selected = 1; - - /* Check if all are selected */ - state->ncrtcs = 0; - free(state->selected_crtcs); - state->selected_crtcs = NULL; - if (!*value || !strcasecmp(value, "all")) - return 0; - - /* Get number count */ - for (p = value, count = 1; *p; p++) - if (*p == ',') - count++; - state->selected_crtcs = ecalloc(count, sizeof(*state->selected_crtcs)); - - /* Parse numbers */ - errno = 0; - for (p = value; *p; p = end) { - num = strtoumax(p, (void *)&end, 10); - state->selected_crtcs[state->ncrtcs].partition = -1; - state->selected_crtcs[state->ncrtcs].crtc = (size_t)num; - if (num > (uintmax_t)SIZE_MAX || (*end && *end != ',' && *end != '.') || !isdigit(*p) || errno) { - invalid: - weprintf(_("Invalid value of `%s' option: `%s'."), key, value); - return -1; - } - if (*end == '.') { - if (!state->multiple_partitions || num > (uintmax_t)SSIZE_MAX) - goto invalid; - state->selected_crtcs[state->ncrtcs].partition = (ssize_t)num; - p = &end[1]; - num = strtoumax(p, (void *)&end, 10); - state->selected_crtcs[state->ncrtcs].crtc = (size_t)num; - if (num > (uintmax_t)SIZE_MAX || (*end && *end != ',') || !isdigit(*p) || errno) - goto invalid; - } - end = &end[*end == ',']; - state->ncrtcs++; - } - - return 0; -} - - -int -direct_set_edids(GAMMA_STATE *state, const char *key, const char *value) -{ - const char *end, *p; - size_t count, len; - - /* Check previously unspecified */ - if (state->nedids) { - weprintf(_("`%s' option specified multiple times, using last selection."), key); - while (state->nedids) - free(state->selected_edids[--state->nedids]); - free(state->selected_edids); - state->selected_edids = NULL; - state->nedids = 0; - } - - /* Get number count */ - for (p = value, count = 1; *p; p++) - if (*p == ',') - count++; - state->selected_edids = ecalloc(count, sizeof(*state->selected_edids)); - - /* Split */ - for (p = value;; p = end) { - end = strchr(p, ','); - if (!end) { - state->selected_edids[state->nedids++] = estrdup(p); - break; - } - len = (size_t)(end++ - p); - state->selected_edids[state->nedids] = emalloc(len + 1U); - memcpy(state->selected_edids[state->nedids], p, len); - state->selected_edids[state->nedids][len] = '\0'; - state->nedids++; - } - - return 0; -} - - -int -direct_start(struct gamma_state *state) -{ - struct { - size_t partition; - size_t crtc; - char *edid; - } *resolved_edids = NULL; - struct libgamma_crtc_information crtc_info; - struct libgamma_crtc_state crtc_state; - size_t crtc_num_offset = 0; - size_t crtcs_removed = 0; - size_t nresolved_edids = 0; - size_t i, j, k, num, part, count; - int err; - - /* Connect to display server */ - if (state->multiple_sites) { - if (state->site_name && !*state->site_name) { - free(state->site_name); - state->site_name = NULL; - } - err = libgamma_site_initialise(&state->site, state->method, state->site_name); - state->site_name = NULL; - if (err) { - weprintf("libgamma_site_initialise %s %s: %s", - libgamma_const_of_method(state->method), - state->site_name ? state->site_name : "NULL", - libgamma_strerror(err)); - return -1; - } - state->connected = 1; - } - - /* Allocate partition states */ - if (state->npartitions) { - state->partitions = ecalloc(state->npartitions, sizeof(*state->partitions)); - for (i = 0; i < state->npartitions; i++) { - state->partitions[i].state.partition = state->selected_partitions[i]; - state->partitions[i].state.data = NULL; - } - free(state->selected_partitions); - state->selected_partitions = NULL; - } else if (!state->site.partitions_available) { - if (state->partitions_are_graphics_cards) - weprintf(_("No graphics card found.")); - else - weprintf(_("No X screen found.")); - return -1; - } else { - state->npartitions = state->site.partitions_available; - state->partitions = ecalloc(state->npartitions, sizeof(*state->partitions)); - for (i = 0; i < state->npartitions; i++) { - state->partitions[i].state.partition = i; - state->partitions[i].state.data = NULL; - } - } - - /* Map the partition indices in CRTC numbers from indices of selected - * partitions, and allocate partitions specified via CRTC numbers */ - for (i = 0; i < state->ncrtcs; i++) { - if (state->selected_crtcs[i].partition < 0) - continue; - for (j = 0; j < state->npartitions; j++) { - if ((size_t)state->selected_crtcs[i].partition == state->partitions[j].state.partition) { - state->selected_crtcs[i].partition = (ssize_t)j; - break; - } - } - if (j == state->npartitions) { - state->partitions = realloc(state->partitions, (state->npartitions + 1U) * sizeof(*state->partitions)); - state->partitions[state->npartitions].state.partition = (size_t)state->selected_crtcs[i].partition; - state->partitions[state->npartitions].state.data = NULL; - state->npartitions++; - } - } - - /* Initialise partitions */ - for (i = 0; i < state->npartitions; i++) { - num = state->partitions[i].state.partition; - err = libgamma_partition_initialise(&state->partitions[i].state, &state->site, num); - if (err) { - weprintf("libgamma_partition_initialise %zu: %s", num, libgamma_strerror(err)); - return -1; - } - state->partitions[i].crtc_num_offset = crtc_num_offset; - crtc_num_offset += state->partitions[i].state.crtcs_available; - } - - /* Resolve EDIDs */ - if (state->nedids) { - for (i = 0; i < state->npartitions; i++) { - count = state->partitions[i].state.crtcs_available; - if (!count) - continue; - resolved_edids = erealloc(resolved_edids, (nresolved_edids + count) + sizeof(*resolved_edids)); - for (j = 0; j < count; j++) { - if (libgamma_crtc_initialise(&crtc_state, &state->partitions[i].state, j)) - continue; - libgamma_get_crtc_information(&crtc_info, sizeof(crtc_info), &crtc_state, LIBGAMMA_CRTC_INFO_EDID); - if (crtc_info.edid_error) - goto next_crtc; - resolved_edids[nresolved_edids].partition = i; - resolved_edids[nresolved_edids].crtc = j; - resolved_edids[nresolved_edids].edid = libgamma_behex_edid(crtc_info.edid, crtc_info.edid_length); - if (!resolved_edids[nresolved_edids].edid) - eprintf("libgamma_behex_edid:"); - nresolved_edids++; - next_crtc: - libgamma_crtc_information_destroy(&crtc_info); - libgamma_crtc_destroy(&crtc_state); - } - } - for (i = 0; i < state->nedids; i++) { - if (!strcasecmp(state->selected_edids[i], "list")) { - printf(_("Available outputs:\n")); - for (i = 0; i < nresolved_edids; i++) - printf(" %s\n", resolved_edids[i].edid); - direct_free(state); - exit(0); - } - for (j = 0; j < nresolved_edids; j++) { - if (!strcasecmp(state->selected_edids[i], resolved_edids[i].edid)) { - if (!state->multiple_partitions) { - weprintf("Resolved output `%s' to CRTC %zu", - resolved_edids[i].edid, resolved_edids[i].crtc); - } else if (state->partitions_are_graphics_cards) { - weprintf("Resolved output `%s' to CRTC %zu on graphics card %zu", - resolved_edids[i].edid, resolved_edids[i].crtc, - resolved_edids[i].partition); - } else { - weprintf("Resolved output `%s' to CRTC %zu on X screen %zu", - resolved_edids[i].edid, resolved_edids[i].crtc, - resolved_edids[i].partition); - } - count = state->ncrtcs + 1U; - state->selected_crtcs = erealloc(state->selected_crtcs, count * sizeof(*state->crtcs)); - state->selected_crtcs[state->ncrtcs].partition = (ssize_t)resolved_edids[i].partition; - state->selected_crtcs[state->ncrtcs].crtc = resolved_edids[i].crtc; - state->ncrtcs++; - goto next_edid; - } - } - weprintf(_("Output `%s' found."), state->selected_edids[i]); - next_edid: - free(state->selected_edids[i]); - state->selected_edids[i] = NULL; - } - while (nresolved_edids) - free(resolved_edids[--nresolved_edids].edid); - free(resolved_edids); - free(state->selected_edids); - state->selected_edids = NULL; - } - - /* Allocate CRTCs states and map to partition–CRTC pairs */ - if (state->ncrtcs) { - state->crtcs = ecalloc(state->ncrtcs, sizeof(*state->crtcs)); - for (i = 0; i < state->ncrtcs; i++) { - state->crtcs[i].state.data = NULL; - state->crtcs[i].state.partition = NULL; - if (state->selected_crtcs[i].partition >= 0) - state->crtcs[i].state.partition = &state->partitions[state->selected_crtcs[i].partition].state; - state->crtcs[i].state.crtc = state->selected_crtcs[i].crtc; - } - for (i = 0; i < state->ncrtcs; i++) { - if (state->crtcs[i].state.partition) - continue; - for (j = 1; j < state->npartitions; j++) - if (state->crtcs[i].state.crtc < state->partitions[j].crtc_num_offset) - break; - state->crtcs[i].state.partition = &state->partitions[j - 1U].state; - state->crtcs[i].state.crtc -= state->partitions[j - 1U].crtc_num_offset; - } - } else if (!crtc_num_offset) { - weprintf(_("No CRTCs found.")); - return -1; - } else { - state->ncrtcs = crtc_num_offset; - state->crtcs = ecalloc(state->ncrtcs, sizeof(*state->crtcs)); - for (j = 0, i = 0; j < state->npartitions; j++) { - for (k = 0; k < state->partitions[j].state.crtcs_available; k++, i++) { - state->crtcs[i].state.data = NULL; - state->crtcs[i].state.partition = &state->partitions[j].state; - state->crtcs[i].state.crtc = k; - } - } - } - - /* Initialise CRTCs and fetch original gamma adjustments */ - for (i = 0; i < state->ncrtcs; i++) { - /* Get CRTC */ - part = state->crtcs[i].state.partition->partition; - num = state->crtcs[i].state.crtc; - err = libgamma_crtc_initialise(&state->crtcs[i].state, state->crtcs[i].state.partition, num); - if (err) { - weprintf("libgamma_crtc_initialise %zu %zu: %s", part, num, libgamma_strerror(err)); - return -1; - } - - /* Get gamma ramp inforamtion for CRTC */ - libgamma_get_crtc_information(&crtc_info, sizeof(crtc_info), &state->crtcs[i].state, - LIBGAMMA_CRTC_INFO_GAMMA_SIZE | - LIBGAMMA_CRTC_INFO_GAMMA_DEPTH | - LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT); - if (crtc_info.gamma_size_error || crtc_info.gamma_depth_error) { - libgamma_crtc_destroy(&state->crtcs[i].state); - state->crtcs[i].state.data = NULL; - crtcs_removed++; - goto no_gamma_support; - } - if (!crtc_info.gamma_support_error && crtc_info.gamma_support == LIBGAMMA_NO) { - no_gamma_support: - if (state->multiple_crtcs) { - if (!state->multiple_partitions) - weprintf(_("Adjustments are not supported on CRTC %zu."), num); - else if (state->partitions_are_graphics_cards) - weprintf(_("Adjustments are not supported on CRTC %zu on graphics card %zu."), num, part); - else - weprintf(_("Adjustments are not supported on CRTC %zu on X screen %zu."), num, part); - } else { - if (!state->multiple_partitions) - weprintf(_("Adjustments are not supported.")); - else if (state->partitions_are_graphics_cards) - weprintf(_("Adjustments are not supported on graphics card %zu."), part); - else - weprintf(_("Adjustments are not supported on X screen %zu."), part); - } - if (!state->crtcs[i].state.data) - goto next; - } - - /* Initialise and fetch gamma adjustments */ - state->crtcs[i].gamma_ramps.size.red = crtc_info.red_gamma_size; - state->crtcs[i].gamma_ramps.size.green = crtc_info.green_gamma_size; - state->crtcs[i].gamma_ramps.size.blue = crtc_info.blue_gamma_size; - state->crtcs[i].saved_gamma_ramps.size.red = crtc_info.red_gamma_size; - state->crtcs[i].saved_gamma_ramps.size.green = crtc_info.green_gamma_size; - state->crtcs[i].saved_gamma_ramps.size.blue = crtc_info.blue_gamma_size; - switch (crtc_info.gamma_depth) { -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - case DEPTH:\ - if (libgamma_gamma_##RAMPS##_initialise(&state->crtcs[i].gamma_ramps.RAMPS) ||\ - libgamma_gamma_##RAMPS##_initialise(&state->crtcs[i].saved_gamma_ramps.RAMPS))\ - eprintf("libgamma_gamma_"#RAMPS"_initialise:");\ - j = 0;\ - do {\ - err = libgamma_crtc_get_gamma_##RAMPS(&state->crtcs[i].state,\ - &state->crtcs[i].saved_gamma_ramps.RAMPS);\ - } while (err && j++ < 10);\ - if (!err) {\ - state->crtcs[i].gamma_depth = DEPTH;\ - break;\ - }\ - if (state->multiple_crtcs) {\ - if (!state->multiple_partitions)\ - weprintf(_("Could not get current adjustments for CRTC %zu."), num);\ - else if (state->partitions_are_graphics_cards)\ - weprintf(_("Could not get current adjustments for CRTC %zu on graphics card %zu."),\ - num, part);\ - else\ - weprintf(_("Could not get current adjustments for CRTC %zu on X screen %zu."), num, part);\ - } else {\ - if (!state->multiple_partitions)\ - weprintf(_("Could not get current adjustments."));\ - else if (state->partitions_are_graphics_cards)\ - weprintf(_("Could not get current adjustments for graphics card %zu."), part);\ - else\ - weprintf(_("Could not get current adjustments for X screen %zu."), part);\ - }\ - libgamma_gamma_##RAMPS##_destroy(&state->crtcs[i].gamma_ramps.RAMPS);\ - libgamma_gamma_##RAMPS##_destroy(&state->crtcs[i].saved_gamma_ramps.RAMPS);\ - libgamma_crtc_destroy(&state->crtcs[i].state);\ - state->crtcs[i].state.data = NULL;\ - crtcs_removed++;\ - goto next - - LIST_RAMPS_STOP_VALUE_TYPES(X, ;); -#undef X - - default: - if (state->multiple_crtcs) { - if (!state->multiple_partitions) - weprintf(_("Unsupported gamma ramp type on CRTC %zu."), num); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unsupported gamma ramp type on CRTC %zu on graphics card %zu."), num, part); - else - weprintf(_("Unsupported gamma ramp type on CRTC %zu on X screen %zu."), num, part); - } else { - if (!state->multiple_partitions) - weprintf(_("Unsupported gamma ramp type.")); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unsupported gamma ramp type on graphics card %zu."), part); - else - weprintf(_("Unsupported gamma ramp type on X screen %zu."), part); - } - return -1; - } - - next: - libgamma_crtc_information_destroy(&crtc_info); - } - - /* Unlist removed CRTCs */ - if (crtcs_removed) { - num = state->ncrtcs - crtcs_removed; - for (i = j = 0; crtcs_removed; i++, j++) - if (!state->crtcs[i].state.data) - break; - for (; crtcs_removed; i++) { - if (state->crtcs[i].state.data) - crtcs_removed--; - else - memmove(&state->crtcs[j++], &state->crtcs[i], sizeof(*state->crtcs)); - } - memmove(&state->crtcs[j], &state->crtcs[i], (state->ncrtcs - i) * sizeof(*state->crtcs)); - state->ncrtcs = num; - } - if (!state->ncrtcs) { - weprintf(_("No usable CRTCs available.")); - return -1; - } - - free(state->selected_crtcs); - state->selected_crtcs = NULL; - return 0; -} - - -int -direct_apply(struct gamma_state *state, const struct colour_setting *setting, int preserve) -{ - size_t i, err_count = 0, crtc, part; - const char *errstr; - int err; - - for (i = 0; i < state->ncrtcs; i++) { - switch (state->crtcs[i].gamma_depth) { -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - case DEPTH:\ - fill_ramps_##SUFFIX(state->crtcs[i].gamma_ramps.RAMPS.red,\ - state->crtcs[i].gamma_ramps.RAMPS.green,\ - state->crtcs[i].gamma_ramps.RAMPS.blue,\ - preserve ? state->crtcs[i].saved_gamma_ramps.RAMPS.red : NULL,\ - preserve ? state->crtcs[i].saved_gamma_ramps.RAMPS.green : NULL,\ - preserve ? state->crtcs[i].saved_gamma_ramps.RAMPS.blue : NULL,\ - state->crtcs[i].gamma_ramps.size.red,\ - state->crtcs[i].gamma_ramps.size.green,\ - state->crtcs[i].gamma_ramps.size.blue,\ - setting);\ - err = libgamma_crtc_set_gamma_##RAMPS(&state->crtcs[i].state, &state->crtcs[i].gamma_ramps.RAMPS);\ - break - - LIST_RAMPS_STOP_VALUE_TYPES(X, ;); -#undef X - - default: - err_count++; - err = 0; - break; - } - - if (err) { - err_count++; - crtc = state->crtcs[i].state.crtc; - part = state->crtcs[i].state.partition->partition; - errstr = libgamma_strerror(err); - if (state->multiple_crtcs) { - if (!state->multiple_partitions) - weprintf(_("Unable to set adjustments for CRTC %zu: %s."), crtc, errstr); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unable to set adjustments for CRTC %zu on graphics card %zu: %s."), - crtc, part, errstr); - else - weprintf(_("Unable to set adjustments for CRTC %zu on X screen %zu: %s."), - crtc, part, errstr); - } else { - if (!state->multiple_partitions) - weprintf(_("Unable to set adjustments: %s."), errstr); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unable to set adjustments for graphics card %zu: %s."), part, errstr); - else - weprintf(_("Unable to set adjustments for X screen %zu: %s."), part, errstr); - } - } - } - - return err_count == state->ncrtcs ? -1 : 0; -} - - -void -direct_restore(struct gamma_state *state) -{ - size_t i, crtc, part; - const char *errstr; - int err; - - for (i = 0; i < state->ncrtcs; i++) { - switch (state->crtcs[i].gamma_depth) { -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - case DEPTH:\ - err = libgamma_crtc_set_gamma_##RAMPS(&state->crtcs[i].state, &state->crtcs[i].saved_gamma_ramps.RAMPS);\ - break - - LIST_RAMPS_STOP_VALUE_TYPES(X, ;); -#undef X - - default: - err = 0; - break; - } - - if (err) { - crtc = state->crtcs[i].state.crtc; - part = state->crtcs[i].state.partition->partition; - errstr = libgamma_strerror(err); - if (state->multiple_crtcs) { - if (!state->multiple_partitions) - weprintf(_("Unable to restore adjustments for CRTC %zu: %s."), crtc, errstr); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unable to restore adjustments for CRTC %zu on graphics card %zu: %s."), - crtc, part, errstr); - else - weprintf(_("Unable to restore adjustments for CRTC %zu on X screen %zu: %s."), - crtc, part, errstr); - } else { - if (!state->multiple_partitions) - weprintf(_("Unable to restore adjustments: %s."), errstr); - else if (state->partitions_are_graphics_cards) - weprintf(_("Unable to restore adjustments for graphics card %zu: %s."), part, errstr); - else - weprintf(_("Unable to restore adjustments for X screen %zu: %s."), part, errstr); - } - } - } -} - - -void -direct_free(struct gamma_state *state) -{ - size_t i; - if (state->crtcs) { - for (i = 0; i < state->ncrtcs; i++) { - switch (state->crtcs[i].gamma_depth) { -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - case DEPTH:\ - libgamma_gamma_##RAMPS##_destroy(&state->crtcs[i].gamma_ramps.RAMPS);\ - libgamma_gamma_##RAMPS##_destroy(&state->crtcs[i].saved_gamma_ramps.RAMPS);\ - break - LIST_RAMPS_STOP_VALUE_TYPES(X, ;); -#undef X - default: - case 0: /* not initialised */ - break; - } - if (state->crtcs[i].state.data) - libgamma_crtc_destroy(&state->crtcs[i].state); - } - free(state->crtcs); - } - if (state->partitions) { - for (i = 0; i < state->npartitions; i++) - if (state->partitions[i].state.data) - libgamma_partition_destroy(&state->partitions[i].state); - free(state->partitions); - } - free(state->selected_partitions); - free(state->selected_crtcs); - if (state->selected_edids) { - for (i = 0; i < state->nedids; i++) - free(state->selected_edids[i]); - free(state->selected_edids); - } - if (state->connected) - libgamma_site_destroy(&state->site); - free(state->site_name); - free(state); -} |