Implemented refresh rate support.

Implements QWaylandScreen::refreshRate() based on the wl_output mode
information we get from the compositor.

In the compositor, adds API to override the refresh rate, with the
default set to whatever QScreen reports on the compositor-side.

Change-Id: I5f5175f2498940875c6ec68d29d25cf5993a1e65
Reviewed-by: Laszlo Agocs <laszlo.p.agocs@nokia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/compositor/wayland_wrapper/wloutput.cpp b/src/compositor/wayland_wrapper/wloutput.cpp
index c1c91edc7..e00d8b8d9 100644
--- a/src/compositor/wayland_wrapper/wloutput.cpp
+++ b/src/compositor/wayland_wrapper/wloutput.cpp
@@ -52,6 +52,7 @@ OutputGlobal::OutputGlobal()
 {
     QScreen *screen = QGuiApplication::primaryScreen();
     m_geometry = QRect(QPoint(0, 0), screen->availableGeometry().size());
+    m_refreshRate = qRound(screen->refreshRate());
 }
 
 OutputGlobal::~OutputGlobal()
@@ -64,6 +65,11 @@ void OutputGlobal::setGeometry(const QRect &geometry)
     m_geometry = geometry;
 }
 
+void OutputGlobal::setRefreshRate(int rate)
+{
+    m_refreshRate = rate;
+}
+
 Output *OutputGlobal::outputForClient(wl_client *client) const
 {
     return static_cast<Output *>(resourceForClient(client)->data);
@@ -92,7 +98,7 @@ Output::Output(OutputGlobal *outputGlobal, wl_client *client, uint32_t version,
                          m_output_global->size().width(), m_output_global->size().height(),0,"","");
 
     wl_output_send_mode(m_output_resource, WL_OUTPUT_MODE_CURRENT|WL_OUTPUT_MODE_PREFERRED,
-                           m_output_global->size().width(),m_output_global->size().height(), 60);
+                        m_output_global->size().width(), m_output_global->size().height(), m_output_global->refreshRate());
 
 }