3 files changed, 31 insertions, 0 deletions
diff --git a/intern/ghost/GHOST_ISystem.h b/intern/ghost/GHOST_ISystem.h
index 3ec8d3d2fbf..ee67694760b 100644
--- a/intern/ghost/GHOST_ISystem.h
+++ b/intern/ghost/GHOST_ISystem.h
@@ -271,6 +271,15 @@ public:
 	 */
 	virtual GHOST_TSuccess beginFullScreen(const GHOST_DisplaySetting& setting, GHOST_IWindow** window,
 		const bool stereoVisual, const GHOST_TUns16 numOfAASamples=0) = 0;
+	
+	/**
+	 * Updates the resolution while in fullscreen mode.
+	 * @param setting	The new setting of the display.
+	 * @param window	Window displayed in full screen.
+	 *
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess updateFullScreen(const GHOST_DisplaySetting& setting, GHOST_IWindow** window) = 0;
 
 	/**
 	 * Ends full screen mode.
diff --git a/intern/ghost/intern/GHOST_System.cpp b/intern/ghost/intern/GHOST_System.cpp
index 4efdcbc6519..944ade3f22b 100644
--- a/intern/ghost/intern/GHOST_System.cpp
+++ b/intern/ghost/intern/GHOST_System.cpp
@@ -168,6 +168,19 @@ GHOST_TSuccess GHOST_System::beginFullScreen(const GHOST_DisplaySetting& setting
 }
 
 
+GHOST_TSuccess GHOST_System::updateFullScreen(const GHOST_DisplaySetting& setting, GHOST_IWindow** window)
+{
+	GHOST_TSuccess success = GHOST_kFailure;
+	GHOST_ASSERT(m_windowManager, "GHOST_System::updateFullScreen(): invalid window manager");
+	if(m_displayManager) {
+		if (m_windowManager->getFullScreen()) {
+			success = m_displayManager->setCurrentDisplaySetting(GHOST_DisplayManager::kMainDisplay, setting);
+		}
+	}
+
+	return success;
+}
+
 GHOST_TSuccess GHOST_System::endFullScreen(void)
 {
 	GHOST_TSuccess success = GHOST_kFailure;
diff --git a/intern/ghost/intern/GHOST_System.h b/intern/ghost/intern/GHOST_System.h
index 6286121719d..0bb0387a287 100644
--- a/intern/ghost/intern/GHOST_System.h
+++ b/intern/ghost/intern/GHOST_System.h
@@ -145,6 +145,15 @@ public:
 	 */
 	virtual GHOST_TSuccess beginFullScreen(const GHOST_DisplaySetting& setting, GHOST_IWindow** window,
 		const bool stereoVisual, const GHOST_TUns16 numOfAASamples=0);
+		
+	/**
+	 * Updates the resolution while in fullscreen mode.
+	 * @param setting	The new setting of the display.
+	 * @param window	Window displayed in full screen.
+	 *
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess updateFullScreen(const GHOST_DisplaySetting& setting, GHOST_IWindow** window);
 
 	/**
 	 * Ends full screen mode.