rsx/gui: Delay game window pop-up until first frame

rpcs3/Emu/RSX/GSRender.cpp

@@ -25,14 +25,6 @@ GSRender::~GSRender()
 	}
 }
 
-void GSRender::on_init_rsx()
-{
-	if (m_frame)
-	{
-		m_frame->show();
-	}
-}
-
 void GSRender::on_init_thread()
 {
 	if (m_frame)

rpcs3/Emu/RSX/GSRender.h

@@ -26,7 +26,6 @@ public:
 	GSRender();
 	~GSRender() override;
 
-	void on_init_rsx() override;
 	void on_init_thread() override;
 	void on_exit() override;
 

rpcs3/Emu/RSX/RSXThread.cpp

@@ -2039,7 +2039,6 @@ namespace rsx
 
 		std::memset(display_buffers, 0, sizeof(display_buffers));
 
-		on_init_rsx();
 		m_rsx_thread_exiting = false;
 	}
 

rpcs3/Emu/RSX/RSXThread.h

@@ -809,7 +809,6 @@ namespace rsx
 		virtual void end();
 		virtual void execute_nop_draw();
 
-		virtual void on_init_rsx() = 0;
 		virtual void on_init_thread() = 0;
 		virtual void on_frame_end(u32 buffer, bool forced = false);
 		virtual void flip(const display_flip_info_t& info) = 0;

rpcs3/rpcs3qt/gs_frame.cpp

@@ -301,7 +301,7 @@ bool gs_frame::shown()
 
 void gs_frame::hide()
 {
-	Emu.CallAfter([this]() {QWindow::hide(); });
+	Emu.CallAfter([this]() { QWindow::hide(); });
 }
 
 void gs_frame::show()
@@ -399,6 +399,14 @@ void gs_frame::flip(draw_context_t, bool /*skip_frame*/)
 {
 	static Timer fps_t;
 
+	if (!m_flip_showed_frame)
+	{
+		// Show on first flip
+		m_flip_showed_frame = true;
+		show();
+		fps_t.Start();
+	}
+
 	++m_frames;
 
 	if (fps_t.GetElapsedTimeInSec() >= 0.5)

rpcs3/rpcs3qt/gs_frame.h

@@ -45,6 +45,7 @@ private:
 	bool m_show_mouse_in_fullscreen = false;
 	bool m_hide_mouse_after_idletime = false;
 	u32 m_hide_mouse_idletime = 2000; // ms
+	bool m_flip_showed_frame = false;
 
 public:
 	gs_frame(const QRect& geometry, const QIcon& appIcon, const std::shared_ptr<gui_settings>& gui_settings);