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authorMattias Andrée <maandree@kth.se>2021-02-20 23:20:05 +0100
committerMattias Andrée <maandree@kth.se>2021-02-20 23:20:11 +0100
commit91ce2e7e5c8c7659237b89b8c4a072b1c46b1fca (patch)
treeae87077ad8d6aaa4cbb064f092fe3b380b9852d6 /src/state.c
parentupdate dist (diff)
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misc + change license + remove info manual1.3.2
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/state.c')
-rw-r--r--src/state.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/src/state.c b/src/state.c
deleted file mode 100644
index b4ec11a..0000000
--- a/src/state.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/**
- * crt-calibrator – Calibration utility for CRT monitors
- * 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 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 "state.h"
-
-#include <stdlib.h>
-
-
-/**
- * The framebuffers on the system
- */
-framebuffer_t* restrict framebuffers = NULL;
-
-/**
- * The number of elements in `framebuffers`
- */
-size_t framebuffer_count = 0;
-
-/**
- * The graphics cards on the system
- */
-drm_card_t* restrict cards = NULL;
-
-/**
- * The number of elements in `cards`
- */
-size_t card_count = 0;
-
-/**
- * The connected CRT controllers on the system
- */
-drm_crtc_t* restrict crtcs = NULL;
-
-/**
- * The software brightness setting on each connected CRT controller, on each channel
- */
-double* restrict brightnesses[3];
-
-/**
- * The software contrast setting on each connected CRT controller, on each channel
- */
-double* restrict contrasts[3];
-
-/**
- * The gamma correction on each connected CRT controller, on each channel
- */
-double* restrict gammas[3];
-
-/**
- * The number of elements in `crtcs`, `brightnesses[]`, `contrasts[]` and `gammas[]`
- */
-size_t crtc_count = 0;
-
-
-
-/**
- * Acquire video control
- *
- * @return Zero on success, -1 on error
- */
-int acquire_video(void)
-{
- size_t f, c, i, fn = fb_count(), cn = drm_card_count();
- drm_crtc_t* restrict old_crtcs;
-
- framebuffers = malloc(fn * sizeof(framebuffer_t));
- if (framebuffers == NULL)
- return -1;
-
- for (f = 0; f < fn; f++)
- {
- framebuffer_t fb;
- if (fb_open(f, &fb) < 0)
- return -1;
- framebuffers[framebuffer_count++] = fb;
- }
-
- cards = malloc(cn * sizeof(drm_card_t));
- if (cards == NULL)
- return -1;
-
- for (c = 0; c < cn; c++)
- {
- drm_card_t card;
- if (drm_card_open(c, &card) < 0)
- return -1;
- cards[card_count++] = card;
-
- old_crtcs = crtcs;
- crtcs = realloc(crtcs, (crtc_count + card.crtc_count) * sizeof(drm_crtc_t));
- if (crtcs == NULL)
- {
- crtcs = old_crtcs;
- return -1;
- }
-
- for (i = 0; i < card.crtc_count; i++)
- {
- drm_crtc_t crtc;
- if (drm_crtc_open(i, cards + c, &crtc) < 0)
- return -1;
- if (crtc.connected)
- crtcs[crtc_count++] = crtc;
- else
- drm_crtc_close(&crtc);
- }
- }
-
- for (c = 0; c < 3; c++)
- {
- brightnesses[c] = malloc(crtc_count * sizeof(double));
- if (brightnesses[c] == NULL)
- return -1;
-
- contrasts[c] = malloc(crtc_count * sizeof(double));
- if (contrasts[c] == NULL)
- return -1;
-
- gammas[c] = malloc(crtc_count * sizeof(double));
- if (gammas[c] == NULL)
- return -1;
- }
-
- return 0;
-}
-
-
-/**
- * Release video control
- */
-void release_video(void)
-{
- size_t i;
-
- for (i = 0; i < crtc_count; i++)
- drm_crtc_close(crtcs + i);
- crtc_count = 0;
-
- for (i = 0; i < card_count; i++)
- drm_card_close(cards + i);
- card_count = 0;
-
- for (i = 0; i < framebuffer_count; i++)
- fb_close(framebuffers + i);
- framebuffer_count = 0;
-
- for (i = 0; i < 3; i++)
- {
- free(brightnesses[i]), brightnesses[i] = NULL;
- free(contrasts[i]), contrasts[i] = NULL;
- free(gammas[i]), gammas[i] = NULL;
- }
-
- free(crtcs), crtcs = NULL;
- free(cards), cards = NULL;
- free(framebuffers), framebuffers = NULL;
-}
-