1 files changed, 67 insertions, 0 deletions
diff --git a/libweston/timeline.h b/libweston/timeline.h
new file mode 100644
index 00000000..9599d813
--- /dev/null
+++ b/libweston/timeline.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 2014 Pekka Paalanen <pq@iki.fi>
+ * Copyright © 2014 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef WESTON_TIMELINE_H
+#define WESTON_TIMELINE_H
+
+extern int weston_timeline_enabled_;
+
+struct weston_compositor;
+
+void
+weston_timeline_open(struct weston_compositor *compositor);
+
+void
+weston_timeline_close(void);
+
+enum timeline_type {
+	TLT_END = 0,
+	TLT_OUTPUT,
+	TLT_SURFACE,
+	TLT_VBLANK,
+	TLT_GPU,
+};
+
+#define TYPEVERIFY(type, arg) ({			\
+	typeof(arg) tmp___ = (arg);		\
+	(void)((type)0 == tmp___);		\
+	tmp___; })
+
+#define TLP_END TLT_END, NULL
+#define TLP_OUTPUT(o) TLT_OUTPUT, TYPEVERIFY(struct weston_output *, (o))
+#define TLP_SURFACE(s) TLT_SURFACE, TYPEVERIFY(struct weston_surface *, (s))
+#define TLP_VBLANK(t) TLT_VBLANK, TYPEVERIFY(const struct timespec *, (t))
+#define TLP_GPU(t) TLT_GPU, TYPEVERIFY(const struct timespec *, (t))
+
+#define TL_POINT(...) do { \
+	if (weston_timeline_enabled_) \
+		weston_timeline_point(__VA_ARGS__); \
+} while (0)
+
+void
+weston_timeline_point(const char *name, ...);
+
+#endif /* WESTON_TIMELINE_H */