- skip rendering when application is not active

Use vid_activeinbackground CVAR to override this behavior

src/posix/cocoa/gl_sysfb.h

@@ -65,7 +65,6 @@ protected:
 
 	void InitializeState();
 
-	bool CanUpdate();
 	void SwapBuffers();
 
 	void SetGammaTable(uint16_t* table);

src/posix/cocoa/i_main.mm

@@ -296,18 +296,24 @@ ApplicationController* appCtrl;
 }
 
 
+extern bool AppActive;
+
 - (void)applicationDidBecomeActive:(NSNotification*)aNotification
 {
 	ZD_UNUSED(aNotification);
 	
 	S_SetSoundPaused(1);
+
+	AppActive = true;
 }
 
 - (void)applicationWillResignActive:(NSNotification*)aNotification
 {
 	ZD_UNUSED(aNotification);
 	
-	S_SetSoundPaused((!!i_soundinbackground) || 0);
+	S_SetSoundPaused(i_soundinbackground);
+
+	AppActive = false;
 }
 
 

src/posix/cocoa/i_video.mm

@@ -701,11 +701,6 @@ void SystemFrameBuffer::InitializeState()
 {
 }
 
-bool SystemFrameBuffer::CanUpdate()
-{
-	return true;
-}
-
 void SystemFrameBuffer::SwapBuffers()
 {
 	[[NSOpenGLContext currentContext] flushBuffer];

src/posix/sdl/gl_sysfb.h

@@ -33,7 +33,6 @@ public:
 	virtual int GetTrueHeight() { return GetClientHeight(); }
 
 protected:
-	bool CanUpdate();
 	void SetGammaTable(uint16_t *tbl);
 	void ResetGammaTable();
 	void InitializeState();

src/posix/sdl/i_input.cpp

@@ -305,9 +305,16 @@ void MessagePump (const SDL_Event &sev)
 	case SDL_WINDOWEVENT:
 		switch (sev.window.event)
 		{
+			extern bool AppActive;
+
 			case SDL_WINDOWEVENT_FOCUS_GAINED:
+				S_SetSoundPaused(1);
+				AppActive = true;
+				break;
+
 			case SDL_WINDOWEVENT_FOCUS_LOST:
-				S_SetSoundPaused((!!i_soundinbackground) || sev.window.event == SDL_WINDOWEVENT_FOCUS_GAINED);
+				S_SetSoundPaused(i_soundinbackground);
+				AppActive = false;
 				break;
 		}
 		break;

src/posix/sdl/sdlglvideo.cpp

@@ -394,11 +394,6 @@ void SystemFrameBuffer::InitializeState()
 {
 }
 
-bool SystemFrameBuffer::CanUpdate ()
-{
-	return true;
-}
-
 void SystemFrameBuffer::SetGammaTable(uint16_t *tbl)
 {
 	if (m_supportsGamma)