Fix saving states on mesa3d and clean up the handling of asynchronous requests

(those originating from a thread other than the gpu thread)

glxMakeCurrent is supposed to error out when the context is
still current in another thread. NVIDIA handles that, but mesa3d errors.



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6054 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoDX9/Src/main.cpp

@@ -435,6 +435,10 @@ u32 Video_AccessEFB(EFBAccessType type, u32 x, u32 y,u32 InputData)
 	return 0;
 }
 
+void VideoFifo_CheckAsyncRequest() {
+	VideoFifo_CheckSwapRequest();
+	VideoFifo_CheckEFBAccess();
+}
 
 void Video_CommandProcessorRead16(u16& _rReturnValue, const u32 _Address)
 {