aboutsummaryrefslogtreecommitdiffstats
path: root/servers-crtc.h
diff options
context:
space:
mode:
Diffstat (limited to 'servers-crtc.h')
-rw-r--r--servers-crtc.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/servers-crtc.h b/servers-crtc.h
new file mode 100644
index 0000000..08e4b02
--- /dev/null
+++ b/servers-crtc.h
@@ -0,0 +1,75 @@
+/* See LICENSE file for copyright and license details. */
+#ifndef SERVERS_CRTC_H
+#define SERVERS_CRTC_H
+
+#include "types-output.h"
+
+#include <libgamma.h>
+
+#ifndef GCC_ONLY
+# if defined(__GNUC__) && !defined(__clang__)
+# define GCC_ONLY(...) __VA_ARGS__
+# else
+# define GCC_ONLY(...) /* nothing */
+# endif
+#endif
+
+/**
+ * Handle a ‘Command: enumerate-crtcs’ message
+ *
+ * @param conn The index of the connection
+ * @param message_id The value of the ‘Message ID’ header
+ * @return Zero on success (even if ignored), -1 on error,
+ * 1 if connection closed
+ */
+GCC_ONLY(__attribute__((__nonnull__)))
+int handle_enumerate_crtcs(size_t conn, const char *restrict message_id);
+
+/**
+ * Get the name of a CRTC
+ *
+ * @param info Information about the CRTC
+ * @param crtc libgamma's state for the CRTC
+ * @return The name of the CRTC, `NULL` on error
+ */
+GCC_ONLY(__attribute__((__nonnull__)))
+char *get_crtc_name(const libgamma_crtc_information_t *restrict info, const libgamma_crtc_state_t *restrict crtc);
+
+/**
+ * Initialise the site
+ *
+ * @return Zero on success, -1 on error
+ */
+int initialise_site(void);
+
+/**
+ * Get partitions and CRTC:s
+ *
+ * @return Zero on success, -1 on error
+ */
+int initialise_crtcs(void);
+
+/**
+ * Merge the new state with an old state
+ *
+ * @param old_outputs The old `outputs`
+ * @param old_outputs_n The old `outputs_n`
+ * @return Zero on success, -1 on error
+ */
+int merge_state(struct output *restrict old_outputs, size_t old_outputs_n);
+
+/**
+ * Disconnect from the site
+ *
+ * @return Zero on success, -1 on error
+ */
+int disconnect(void);
+
+/**
+ * Reconnect to the site
+ *
+ * @return Zero on success, -1 on error
+ */
+int reconnect(void);
+
+#endif