From 4832ae09005c5e2bb86b9ab378af000f2ab313f1 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@iki.fi>
Date: Sat, 3 Oct 2015 21:13:06 +0300
Subject: add PageFlipHandler

---
 libkms++/card.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'libkms++/card.cpp')

diff --git a/libkms++/card.cpp b/libkms++/card.cpp
index ae41f10..8438629 100644
--- a/libkms++/card.cpp
+++ b/libkms++/card.cpp
@@ -246,4 +246,24 @@ std::vector<kms::Pipeline> Card::get_connected_pipelines()
 	return outputs;
 }
 
+static void page_flip_handler(int fd, unsigned int frame,
+			      unsigned int sec, unsigned int usec,
+			      void *data)
+{
+	auto handler = (PageFlipHandlerBase*)data;
+	double time = sec + usec / 1000000.0;
+	handler->handle_page_flip(frame, time);
+}
+
+void Card::call_page_flip_handlers()
+{
+	drmEventContext ev = {
+		.version = DRM_EVENT_CONTEXT_VERSION,
+		.vblank_handler = 0,
+		.page_flip_handler = page_flip_handler,
+	};
+
+	drmHandleEvent(fd(), &ev);
+}
+
 }
-- 
cgit v1.2.3