FIX: Remove full-window SRCERASE to eliminate black screen flashes

Author: Oldes

src/os/win32/host-window.c

@@ -718,29 +718,10 @@ void Paint_Window(HWND window);
 
 	if (wingob) {
 		BeginPaint(window, (LPPAINTSTRUCT) &ps);
-
 		cmp = GOB_COMPOSITOR(wingob);
-
 		//printf("PS: %f %f %f %f - %x %x\n", ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom, ps.hdc, cmp->wind_DC);
-
-		
-
-		//printf("erase %i %i %i %i\n", cmp->win_rect.left, cmp->win_rect.top, cmp->win_rect.right, cmp->win_rect.bottom);
-		//HBRUSH TransperrantBrush = CreateSolidBrush(GetSysColor(COLOR_ACTIVECAPTION)); //(HBRUSH)GetStockObject(NULL_BRUSH); //
-		//SetBkMode(cmp->back_DC, OPAQUE);
-		//FillRect(cmp->back_DC, &cmp->win_rect, TransperrantBrush);
-		//FillRect(cmp->wind_DC, &cmp->win_rect, TransperrantBrush);
-		//DeleteObject(TransperrantBrush);
-
-		BitBlt( cmp->wind_DC, 0, 0, GOB_LOG_W_INT(cmp->wind_gob), GOB_LOG_H_INT(cmp->wind_gob), cmp->wind_DC, 0, 0, SRCERASE); 
-//		BitBlt( cmp->back_DC, 0, 0, GOB_LOG_W_INT(cmp->wind_gob), GOB_LOG_H_INT(cmp->wind_gob), cmp->back_DC, 0, 0, SRCERASE); 
-
 		FillRect(cmp->back_DC, &cmp->win_rect, cmp->brush_DC);
-		
 		OS_Compose_Gob(cmp, wingob, wingob, FALSE);
-
-		//OS_Blit_Window(compositor);
-		
 		BitBlt(
 			cmp->wind_DC,
 			0, 0,
@@ -749,7 +730,6 @@ void Paint_Window(HWND window);
 			0, 0,
 			SRCCOPY
 		);
-		
 		EndPaint(window, (LPPAINTSTRUCT) &ps);
 	}
 }