Cleaned up a few unused variables. Added blit and render counters to help debug if GUI rendering is on time with emulation thread.

src/drivers/Qt/ConsoleViewerGL.cpp

@@ -653,5 +653,6 @@ void ConsoleViewGL_t::paintGL(void)
 	glDisable(GL_TEXTURE_2D);
 	glDisable(GL_TEXTURE_RECTANGLE);
 
+	nes_shm->render_count++;
 	 //printf("Paint GL!\n");
 }

src/drivers/Qt/ConsoleViewerSDL.cpp

@@ -650,4 +650,5 @@ void ConsoleViewSDL_t::render(void)
 
 	SDL_RenderPresent(sdlRenderer);
 
+	nes_shm->render_count++;
 }

src/drivers/Qt/ConsoleWindow.cpp

@@ -3914,7 +3914,6 @@ void consoleWin_t::syncActionConfig( QAction *act, const char *property )
 
 void consoleWin_t::updatePeriodic(void)
 {
-	
 	// Process all events before attempting to render viewport
 	QCoreApplication::processEvents();
 

src/drivers/Qt/nes_shm.h

@@ -34,36 +34,6 @@ struct  nes_shm_t
 	char  runEmulator;
 	char  blitUpdated;
 
-	// Pass Key Events back to QT Gui
-	struct 
-	{
-		int head;
-		int tail;
-
-		struct {
-			int type;
-			int keycode;
-			int state;
-		} data[64];
-
-	} keyEventBuf;
-
-	// Gui Command Event Queue
-	struct 
-	{
-		int head;
-		int tail;
-
-		struct {
-			 int id;
-
-			 union {
-			 	int   i32[4];
-				float f32[4];
-			 } param;
-		} cmd[64];
-	} guiEvent;
-
 	uint32_t  pixbuf[1048576]; // 1024 x 1024
 
 	void clear_pixbuf(void)
@@ -71,19 +41,19 @@ struct  nes_shm_t
 		memset( pixbuf, 0, sizeof(pixbuf) );
 	}
 
-   struct sndBuf_t
+	struct sndBuf_t
-   {
+	{
-      int  head;
+		int  head;
-      int  tail;
+		int  tail;
-      int16_t  data[NES_AUDIO_BUFLEN];
+		int16_t  data[NES_AUDIO_BUFLEN];
-      unsigned int starveCounter;
+		unsigned int starveCounter;
-   } sndBuf;
+	} sndBuf;
 
-   void  push_sound_sample( int16_t sample )
+	void  push_sound_sample( int16_t sample )
-   {
+	{
-      sndBuf.data[ sndBuf.head ] = sample;
+		sndBuf.data[ sndBuf.head ] = sample;
-      sndBuf.head = (sndBuf.head + 1) % NES_AUDIO_BUFLEN;
+		sndBuf.head = (sndBuf.head + 1) % NES_AUDIO_BUFLEN;
-   }
+	}
 };
 
 extern nes_shm_t *nes_shm;

src/drivers/Qt/sdl-video.cpp

@@ -265,6 +265,7 @@ int InitVideo(FCEUGI *gi)
 			nes_shm->video.yscale = 1;
 		break;
 	}
+	nes_shm->render_count = nes_shm->blit_count = 0;
 
 	s_inited = 1;
 
@@ -475,6 +476,7 @@ BlitScreen(uint8 *XBuf)
 	{
 		Blit8ToHigh(XBuf + NOFFSET, dest, bw, s_tlines, pitch, ixScale, iyScale);
 	}
+	nes_shm->blit_count++;
 	nes_shm->blitUpdated = 1;
 
 	aviRecordAddFrame();