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-rw-r--r--src/video/sdl2_v.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/video/sdl2_v.cpp b/src/video/sdl2_v.cpp
index 14a8bfd1c..ce6bbc93f 100644
--- a/src/video/sdl2_v.cpp
+++ b/src/video/sdl2_v.cpp
@@ -351,6 +351,13 @@ bool VideoDriver_SDL::CreateMainSurface(uint w, uint h, bool resize)
_sdl_surface = _sdl_real_surface;
}
+ /* X11 doesn't appreciate it if we invalidate areas outside the window
+ * if shared memory is enabled (read: it crashes). So, as we might have
+ * gotten smaller, reset our dirty rects. GameSizeChanged() a bit lower
+ * will mark the whole screen dirty again anyway, but this time with the
+ * new dimensions. */
+ _num_dirty_rects = 0;
+
_screen.width = _sdl_surface->w;
_screen.height = _sdl_surface->h;
_screen.pitch = _sdl_surface->pitch / (bpp / 8);