[Qemu-trivial] [PATCH] ui/sdl2-2d.c: macOS Mojave checks for UI running off the main thread -- run sdl2_window_resize on the main thread via dispatch_async;

[帝都 久利寿]

Signed-off-by: kristopher tate <address@hidden>
---
 ui/sdl2-2d.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ui/sdl2-2d.c b/ui/sdl2-2d.c
index 091ecfc..4b931c9 100644
--- a/ui/sdl2-2d.c
+++ b/ui/sdl2-2d.c
@@ -29,6 +29,9 @@
 #include "ui/input.h"
 #include "ui/sdl2.h"
 #include "sysemu/sysemu.h"
+#if defined(__APPLE__)
+  #include <dispatch/dispatch.h>
+#endif

 void sdl2_2d_update(DisplayChangeListener *dcl,
                     int x, int y, int w, int h)
@@ -87,7 +90,13 @@ void sdl2_2d_switch(DisplayChangeListener *dcl,
     } else if (old_surface &&
                ((surface_width(old_surface)  != surface_width(new_surface)) ||
                 (surface_height(old_surface) !=
surface_height(new_surface)))) {
+#if defined(__APPLE__)
+        dispatch_async(dispatch_get_main_queue(), ^{
+          sdl2_window_resize(scon);
+        });
+#else
         sdl2_window_resize(scon);
+#endif
     }

     SDL_RenderSetLogicalSize(scon->real_renderer,
-- 
2.17.1 (Apple Git-112)