Update parallel-rdp WSI integration (#61)

* Update parallel-rdp WSI integration

* fix build

* disable mac build

parallel-rdp/wsi_platform.cpp

@@ -54,6 +54,11 @@ void SDL_WSIPlatform::poll_input()
 	SDL_PumpEvents();
 }
 
+void SDL_WSIPlatform::poll_input_async(Granite::InputTrackerHandler *handler)
+{
+	SDL_PumpEvents();
+}
+
 void SDL_WSIPlatform::set_window(SDL_Window *_window)
 {
 	window = _window;

parallel-rdp/wsi_platform.hpp

@@ -13,10 +13,10 @@ public:
 	uint32_t get_surface_height() override;
 	bool alive(Vulkan::WSI &wsi) override;
 	void poll_input() override;
+	void poll_input_async(Granite::InputTrackerHandler *handler) override;
 	void set_window(SDL_Window *_window);
 	void do_resize();
 
 private:
-	VkSurfaceKHR surface;
 	SDL_Window *window;
 };