fix eop/flipping

src/graphics/guest_gpu/graphicsRun.h

@@ -19,6 +19,7 @@ void GraphicsRunSubmit(uint32_t* cmd_draw_buffer, uint32_t num_draw_dw, uint32_t
                        uint32_t num_const_dw, bool trigger_agc_interrupt_on_done = false);
 void GraphicsRunSubmitCompute(uint32_t queue, uint32_t* cmd_buffer, uint32_t num_dw,
                               bool trigger_agc_interrupt_on_done = false);
+void GraphicsRunSubmitFlipPreparation();
 void GraphicsRunWait();
 void GraphicsRunDone();
 int  GraphicsRunGetFrameNum();