Fix issue with semaphore being reused to early

openVulkanoCpp/Vulkan/SwapChain.hpp

@@ -43,6 +43,8 @@ namespace openVulkanoCpp
 			vk::PresentModeKHR presentMode;
 			vk::Viewport fullscreenViewport;
 			vk::Rect2D fullscreenScissor;
+			std::vector<vk::Semaphore> imageAvailableSemaphores;
+			uint32_t currentSemaphoreId = 0;
 			bool useVsync = false;
 
 #ifdef __APPLE__
@@ -54,7 +56,6 @@ namespace openVulkanoCpp
 
 		public:
 			vk::SwapchainKHR swapChain;
-			vk::Semaphore imageAvailableSemaphore;
 
 			SwapChain() = default;
 			~SwapChain() override { if (device) SwapChain::Close(); }
@@ -105,12 +106,14 @@ namespace openVulkanoCpp
 				return images.size();
 			}
 
+			vk::Semaphore& GetCurrentSemaphore() { return imageAvailableSemaphores[currentSemaphoreId]; }
+
 		private:
 			void CreateSwapChain(vk::Extent2D size);
 
 			void CreateSwapChainImages();
 
-			void DestroySwapChain() const;
+			void DestroySwapChain();
 
 		protected:
 			vk::Format FindColorFormat() override