diff options
Diffstat (limited to 'src/blueshift_crtc_c.c')
-rw-r--r-- | src/blueshift_crtc_c.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/src/blueshift_crtc_c.c b/src/blueshift_crtc_c.c deleted file mode 100644 index d55f6eb..0000000 --- a/src/blueshift_crtc_c.c +++ /dev/null @@ -1,297 +0,0 @@ -/** - * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <alloca.h> - -#include <xcb/xcb.h> -#include <xcb/randr.h> - - - -/** - * The major version of RANDR the program expects - */ -#define RANDR_VERSION_MAJOR 1U - -/** - * The minor version of RANDR the program expects - */ -#define RANDR_VERSION_MINOR 3U - - - -/** - * Connection to the X server - */ -static xcb_connection_t* connection; - -/** - * Used to store errors in - */ -static xcb_generic_error_t* error; - - - -/** - * Main entry point of the program - * - * @param argc Length of `argv` - * @param argv Command line arguments - * @return Zero on success - */ -int main(int argc, char** argv) -{ - xcb_randr_query_version_cookie_t version_cookie; - xcb_randr_query_version_reply_t* randr_version; - const xcb_setup_t* setup; - xcb_screen_iterator_t iter; - int screen_count; - xcb_screen_t* screens; - int screen_i; - - (void) argc; - (void) argv; - - - /* Get X connection */ - - connection = xcb_connect(NULL, NULL); - - - /* Check RANDR protocol version */ - - version_cookie = xcb_randr_query_version(connection, RANDR_VERSION_MAJOR, RANDR_VERSION_MINOR); - randr_version = xcb_randr_query_version_reply(connection, version_cookie, &error); - - if (error || (randr_version == NULL)) - { - fprintf(stderr, "RANDR version query returned %i", error ? error->error_code : -1); - xcb_disconnect(connection); - return 1; - } - - if (randr_version->major_version != RANDR_VERSION_MAJOR || randr_version->minor_version < RANDR_VERSION_MINOR) - { - fprintf(stderr, "Unsupported RANDR version, got %u.%u, expected %u.%u\n", - randr_version->major_version, randr_version->minor_version, - RANDR_VERSION_MAJOR, RANDR_VERSION_MINOR); - free(randr_version); - xcb_disconnect(connection); - return 1; - } - - free(randr_version); - - - /* Get screen information */ - - setup = xcb_get_setup(connection); - iter = xcb_setup_roots_iterator(setup); - screen_count = iter.rem; - screens = iter.data; - - printf("Screen count: %i\n", screen_count); - for (screen_i = 0; screen_i < screen_count; screen_i++) - { - xcb_screen_t* screen = screens + screen_i; - xcb_randr_get_screen_resources_current_cookie_t res_cookie; - xcb_randr_get_screen_resources_current_reply_t* res_reply; - xcb_randr_output_t* outputs; - xcb_randr_crtc_t* crtcs; - int output_i; - - printf("Screen: %i\n", screen_i); - - res_cookie = xcb_randr_get_screen_resources_current(connection, screen->root); - res_reply = xcb_randr_get_screen_resources_current_reply(connection, res_cookie, &error); - - if (error) - { - fprintf(stderr, "RANDR screen resource query returned %i\n", error->error_code); - xcb_disconnect(connection); - return 1; - } - - printf(" CRTC count: %i\n", res_reply->num_crtcs); - printf(" Output count: %i\n", res_reply->num_outputs); - - - /* Get output information */ - - outputs = xcb_randr_get_screen_resources_current_outputs(res_reply); - crtcs = xcb_randr_get_screen_resources_current_crtcs(res_reply); - for (output_i = 0; output_i < res_reply->num_outputs; output_i++) - { - xcb_randr_get_output_info_cookie_t out_cookie; - xcb_randr_get_output_info_reply_t* out_reply; - char* name; - unsigned char* name_; - - out_cookie = xcb_randr_get_output_info(connection, outputs[output_i], res_reply->config_timestamp); - out_reply = xcb_randr_get_output_info_reply(connection, out_cookie, &error); - - if (error) - { - fprintf(stderr, "RANDR output query returned %i\n", error->error_code); - xcb_disconnect(connection); - free(res_reply); - return 1; - } - - printf(" Output: %i\n", output_i); - - name_ = xcb_randr_get_output_info_name(out_reply); - name = alloca((out_reply->name_len + 1) * sizeof(char)); - memcpy(name, name_, out_reply->name_len * sizeof(char)); - *(name + out_reply->name_len) = 0; - printf(" Name: %s\n", name); - - switch (out_reply->connection) - { - case XCB_RANDR_CONNECTION_CONNECTED: - { - xcb_randr_list_output_properties_cookie_t prop_cookie; - xcb_randr_list_output_properties_reply_t* prop_reply; - xcb_atom_t* atoms; - xcb_atom_t* atoms_end; - int crtc_i; - - printf(" Connection: connected\n"); - printf(" Size: %i %i\n", out_reply->mm_width, out_reply->mm_height); - - for (crtc_i = 0; crtc_i < res_reply->num_crtcs; crtc_i++) - if (crtcs[crtc_i] == out_reply->crtc) - printf(" CRTC: %i\n", crtc_i); - - prop_cookie = xcb_randr_list_output_properties(connection, outputs[output_i]); - prop_reply = xcb_randr_list_output_properties_reply(connection, prop_cookie, &error); - - if (error) - { - fprintf(stderr, "RANDR output property query returned %i\n", error->error_code); - free(out_reply); - free(res_reply); - xcb_disconnect(connection); - return 1; - } - - - /* Get output atoms */ - - atoms = xcb_randr_list_output_properties_atoms(prop_reply); - atoms_end = atoms + xcb_randr_list_output_properties_atoms_length(prop_reply); - - for (; atoms != atoms_end; atoms++) - { - xcb_get_atom_name_cookie_t atom_name_cookie; - xcb_get_atom_name_reply_t* atom_name_reply; - char* atom_name; - char* atom_name_; - int atom_name_len; - - atom_name_cookie = xcb_get_atom_name(connection, *atoms); - atom_name_reply = xcb_get_atom_name_reply(connection, atom_name_cookie, &error); - - if (error) - { - fprintf(stderr, "RANDR atom name query returned %i\n", error->error_code); - free(prop_reply); - free(out_reply); - free(res_reply); - xcb_disconnect(connection); - return 1; - } - - atom_name_ = xcb_get_atom_name_name(atom_name_reply); - atom_name_len = xcb_get_atom_name_name_length(atom_name_reply); - - atom_name = alloca((atom_name_len + 1) * sizeof(char)); - memcpy(atom_name, atom_name_, atom_name_len * sizeof(char)); - *(atom_name + atom_name_len) = 0; - - - /* Get output identifier */ - - if (!strcmp(atom_name, "EDID")) - { - xcb_randr_get_output_property_cookie_t atom_cookie; - xcb_randr_get_output_property_reply_t* atom_reply; - int length; - unsigned char* atom_data_; - char* atom_data; - - atom_cookie = xcb_randr_get_output_property(connection, outputs[output_i], *atoms, - XCB_GET_PROPERTY_TYPE_ANY, 0, 0, 0, 0); - - atom_reply = xcb_randr_get_output_property_reply(connection, atom_cookie, &error); - - if (error) - { - fprintf(stderr, "RANDR atom data query returned %i\n", error->error_code); - free(atom_name_reply); - free(prop_reply); - free(out_reply); - free(res_reply); - xcb_disconnect(connection); - return 1; - } - - atom_data_ = xcb_randr_get_output_property_data(atom_reply); - length = xcb_randr_get_output_property_data_length(atom_reply); - - atom_data = alloca((length + 1) * sizeof(char)); - memcpy(atom_data, atom_data_, length * sizeof(char)); - *(atom_data + length) = 0; - - /* printf(" %s: %s\n", atom_name, atom_data); TODO */ - - free(atom_reply); - } - - free(atom_name_reply); - } - - free(prop_reply); - } - break; - - case XCB_RANDR_CONNECTION_DISCONNECTED: - printf(" Connection: disconnected\n"); - break; - - case XCB_RANDR_CONNECTION_UNKNOWN: - default: - printf(" Connection: unknown\n"); - break; - } - - free(out_reply); - } - - free(res_reply); - } - - - /* Free resources **/ - - xcb_disconnect(connection); - return 0; -} - |