Merge pull request #2 from goweiwen/fix-menu-clear-borders

Fix menu not cleared outside content area

Author: Aemiii91

src/gfx/drivers/miyoomini/sdl_miyoomini_gfx.c

@@ -938,6 +938,7 @@ static bool sdl_miyoomini_gfx_frame(void *data, const void *frame,
       if (unlikely(vid->was_in_menu)) {
          sdl_miyoomini_clear_border(fb_addr, vid->video_x, vid->video_y, vid->video_w, vid->video_h);
          vid->was_in_menu = false;
+         stOpt.eRotate = vid->rotate;
       }
       /* Update video mode if width/height have changed */
       if (unlikely( (vid->content_width  != width ) ||
@@ -951,10 +952,12 @@ static bool sdl_miyoomini_gfx_frame(void *data, const void *frame,
       /* HW Blit GFX surface to Framebuffer and Flip */
       GFX_UpdateRect(vid->screen, vid->video_x, vid->video_y, vid->video_w, vid->video_h);
    } else {
+      if (!vid->was_in_menu) {
+         vid->was_in_menu = true;
+         stOpt.eRotate = E_MI_GFX_ROTATE_180;
+      }
       SDL_SoftStretch(vid->menuscreen_rgui, NULL, vid->menuscreen, rgui_menu_stretch ? NULL : &rgui_menu_dest_rect);
-      stOpt.eRotate = E_MI_GFX_ROTATE_180;
       GFX_Flip(vid->menuscreen);
-      stOpt.eRotate = vid->rotate;
    }
    return true;
 }