SDL2: Fix video updating to work as it does for SDL1, to fully refres…

…h the screen after mode change and update relative portions properly

src/output/output_surface.cpp

@@ -174,12 +174,16 @@ void OUTPUT_SURFACE_EndUpdate(const Bit16u *changedLines)
             if (changedLines && (changedLines[0] == sdl.draw.height))
                 return;
             if (!menu.hidecycles && !sdl.desktop.fullscreen) frames++;
-#if !defined(C_SDL2)
+#if defined(C_SDL2)
+            SDL_UpdateWindowSurface(sdl.window);
+#else
             SDL_Flip(sdl.surface);
 #endif
         }
         else if (sdl.must_redraw_all) {
-#if !defined(C_SDL2)
+#if defined(C_SDL2)
+            if (changedLines != NULL) SDL_UpdateWindowSurface(sdl.window);
+#else
             if (changedLines != NULL) SDL_Flip(sdl.surface);
 #endif
         }

src/output/output_surface_sdl2.cpp

@@ -72,6 +72,10 @@ Bitu OUTPUT_SURFACE_SetSize()
         retFlags = GFX_CAN_32;
         break;
     }
+
+    sdl.deferred_resize = false;
+    sdl.must_redraw_all = true;
+
     /* Fix a glitch with aspect=true occuring when
     changing between modes with different dimensions */
     SDL_FillRect(sdl.surface, NULL, SDL_MapRGB(sdl.surface->format, 0, 0, 0));
@@ -81,7 +85,6 @@ Bitu OUTPUT_SURFACE_SetSize()
     mainMenu.setRedraw();
     GFX_DrawSDLMenu(mainMenu, mainMenu.display_list);
 #endif
-    SDL_UpdateWindowSurface(sdl.window);
 
     return retFlags;
 }

vs2015/config_package.h

@@ -1,8 +1,8 @@
 #define PACKAGE "dosbox-x"
 #define PACKAGE_BUGREPORT "https://github.com/joncampbell123/dosbox-x/issues"
 #define PACKAGE_NAME "dosbox-x"
-#define PACKAGE_STRING "dosbox-x 0.82.4"
+#define PACKAGE_STRING "dosbox-x 0.82.8"
 #define PACKAGE_TARNAME "dosbox-x"
 #define PACKAGE_URL "http://dosbox-x.software"
-#define PACKAGE_VERSION "0.82.4"
-#define VERSION "0.82.4"
+#define PACKAGE_VERSION "0.82.8"
+#define VERSION "0.82.8"