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Diffstat (limited to 'src/cg-shallow.c')
-rw-r--r-- | src/cg-shallow.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/src/cg-shallow.c b/src/cg-shallow.c deleted file mode 100644 index 230da88..0000000 --- a/src/cg-shallow.c +++ /dev/null @@ -1,279 +0,0 @@ -/** - * cg-tools -- Cooperative gamma-enabled tools - * Copyright (C) 2016, 2018 Mattias Andrée (maandree@kth.se) - * - * This program 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. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include "cg-base.h" - -#include <libclut.h> - -#include <ctype.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - - - -/** - * The default filter priority for the program - */ -const int64_t default_priority = -((int64_t)3 << 61); - -/** - * The default class for the program - */ -char default_class[] = PKGNAME "::cg-shallow::standard"; - -/** - * Class suffixes - */ -const char* const* class_suffixes = (const char* const[]){NULL}; - - - -/** - * -d: keep process alive and remove filter on death - */ -static int dflag = 0; - -/** - * -x: remove filter rather than adding it - */ -static int xflag = 0; - -/** - * The emulated red resolution, 0 for unchanged. - */ -static size_t rres = 2; - -/** - * The emulated green resolution, 0 for unchanged. - */ -static size_t gres = 2; - -/** - * The emulated blue resolution, 0 for unchanged. - */ -static size_t bres = 2; - - -/** - * Print usage information and exit - */ -void usage(void) -{ - fprintf(stderr, - "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] " - "(-x | [-p priority] [-d] [all | red green blue])\n", - argv0); - exit(1); -} - - -/** - * Handle a command line option - * - * @param opt The option, it is a NUL-terminate two-character - * string starting with either '-' or '+', if the - * argument is not recognised, call `usage`. This - * string will not be "-M", "-S", "-c", "-p", or "-R". - * @param arg The argument associated with `opt`, - * `NULL` there is no next argument, if this - * parameter is `NULL` but needed, call `usage` - * @return 0 if `arg` was not used, - * 1 if `arg` was used, - * -1 on error - */ -int handle_opt(char* opt, char* arg) -{ - if (opt[0] == '-') - switch (opt[1]) - { - case 'd': - if (dflag || xflag) - usage(); - dflag = 1; - break; - case 'x': - if (xflag || dflag) - usage(); - xflag = 1; - break; - default: - usage(); - } - else - usage(); - return 0; - (void) arg; -} - - -/** - * Parse a non-negative integer encoded as a string - * - * @param out Output parameter for the value - * @param str The string - * @return Zero on success, -1 if the string is invalid - */ -static int parse_int(size_t* restrict out, const char* restrict str) -{ - char* end; - errno = 0; - if (!isdigit(*str)) - return -1; - *out = strtoul(str, &end, 10); - if (errno || *end) - return -1; - return 0; -} - - -/** - * This function is called after the last - * call to `handle_opt` - * - * @param argc The number of unparsed arguments - * @param argv `NULL` terminated list of unparsed arguments - * @param prio The argument associated with the "-p" option - * @return Zero on success, -1 on error - */ -int handle_args(int argc, char* argv[], char* prio) -{ - char* red = NULL; - char* green = NULL; - char* blue = NULL; - int q = xflag + (dflag | (argc > 0)); - if ((q > 1) || (xflag && (prio != NULL))) - usage(); - if (argc == 1) - red = green = blue = argv[0]; - else if (argc == 3) - { - red = argv[0]; - green = argv[1]; - blue = argv[2]; - } - else if (argc && !xflag) - usage(); - if (argc) - { - if (parse_int(&rres, red) < 0) - usage(); - if (parse_int(&gres, blue) < 0) - usage(); - if (parse_int(&bres, green) < 0) - usage(); - } - return 0; - (void) argv; -} - - -/** - * Fill a filter - * - * @param filter The filter to fill - */ -static void fill_filter(libcoopgamma_filter_t* restrict filter) -{ - switch (filter->depth) - { -#define X(CONST, MEMBER, MAX, TYPE)\ - case CONST:\ - libclut_lower_resolution(&(filter->ramps.MEMBER), MAX, TYPE, 0, rres, 0, gres, 0, bres);\ - break; -LIST_DEPTHS -#undef X - default: - abort(); - } -} - - -/** - * The main function for the program-specific code - * - * @return 0: Success - * -1: Error, `errno` set - * -2: Error, `cg.error` set - * -3: Error, message already printed - */ -int start(void) -{ - int r; - size_t i, j; - - if (xflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_REMOVE; - else if (dflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH; - else - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_REMOVAL; - - if (!xflag) - if ((r = make_slaves()) < 0) - return r; - - for (i = 0, r = 1; i < filters_n; i++) - { - if (!(crtc_updates[i].master) || !(crtc_info[crtc_updates[i].crtc].supported)) - continue; - if (!xflag) - fill_filter(&(crtc_updates[i].filter)); - r = update_filter(i, 0); - if ((r == -2) || ((r == -1) && (errno != EAGAIN))) - return r; - if (crtc_updates[i].slaves != NULL) - for (j = 0; crtc_updates[i].slaves[j] != 0; j++) - { - r = update_filter(crtc_updates[i].slaves[j], 0); - if ((r == -2) || ((r == -1) && (errno != EAGAIN))) - return r; - } - } - - while (r != 1) - if ((r = synchronise(-1)) < 0) - return r; - - if (!dflag) - return 0; - - if (libcoopgamma_set_nonblocking(&cg, 0) < 0) - return -1; - for (;;) - if (libcoopgamma_synchronise(&cg, NULL, 0, &j) < 0) - switch (errno) - { - case 0: - break; - case ENOTRECOVERABLE: - goto enotrecoverable; - default: - return -1; - } - - enotrecoverable: - for (;;) - if (pause() < 0) - return -1; -} - |