Initialise CRTC:s

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 90 insertions, 0 deletions

diff --git a/src/gammad.c b/src/gammad.c
new file mode 100644
index 0000000..f5179bd
--- /dev/null
+++ b/src/gammad.c
@@ -0,0 +1,90 @@
+/**
+ * gammad -- Cooperative gamma server
+ * Copyright (C) 2016  Mattias Andrée (maandree@kth.se)
+ * 
+ * This library 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 library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <libgamma.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+
+
+char* argv0;
+
+
+
+int main(int argc, char** argv)
+{
+  int method, gerror, rc = 1;
+  libgamma_site_state_t site;
+  libgamma_partition_state_t* partitions = NULL;
+  libgamma_crtc_state_t* crtcs = NULL;
+  size_t i, j, n, n0, crtcs_n = 0;
+  
+  argv0 = argv[0];
+  
+  memset(&site, 0, sizeof(site));
+  
+  /* Get method */
+  if (libgamma_list_methods(&method, 1, 0) < 1)
+    return fprintf(stderr, "%s: no adjustment method available\n", argv0), 1;
+  
+  /* Get site */
+  if ((gerror = libgamma_site_initialise(&site, method, NULL)))
+    goto fail_libgamma;
+  
+  /* Get partitions */
+  if (site.partitions_available)
+    if (!(partitions = calloc(site.partitions_available, sizeof(*partitions))))
+      goto fail;
+  for (i = 0; i < site.partitions_available; i++)
+    {
+      if ((gerror = libgamma_partition_initialise(partitions + i, &site, i)))
+	goto fail_libgamma;
+      crtcs_n += partitions[i].crtcs_available;
+    }
+  
+  /* Get CRTC:s */
+  if (crtcs_n)
+    if (!(crtcs = calloc(crtcs_n, sizeof(*crtcs))))
+      goto fail;
+  for (i = 0, j = n = 0; i < site.partitions_available; i++)
+    for (n0 = n, n += partitions[i].crtcs_available; j < n; j++)
+      if ((gerror = libgamma_crtc_initialise(crtcs + j, partitions + i, j - n0)))
+	goto fail_libgamma;
+  
+  /* Done */
+  rc = 0;
+ done:
+  if (crtcs != NULL)
+    for (i = 0; i < crtcs_n; i++)
+      libgamma_crtc_destroy(crtcs + i);
+  free(crtcs);
+  if (partitions != NULL)
+    for (i = 0; i < site.partitions_available; i++)
+      libgamma_partition_destroy(partitions + i);
+  free(partitions);
+  libgamma_site_destroy(&site);
+  return rc;
+  /* Fail */
+ fail:
+  perror(argv0);
+  goto done;
+ fail_libgamma:
+  libgamma_perror(argv0, gerror);
+  goto done;
+}