SwapChain: add AcquireNextImage()

Author: VReaperV

src/engine/renderer-vulkan/GraphicsCore/Decls.h

@@ -67,6 +67,7 @@ VK_DEFINE_NON_DISPATCHABLE_HANDLE( VkPipeline )
 VK_DEFINE_NON_DISPATCHABLE_HANDLE( VkCommandPool )
 
 VK_DEFINE_NON_DISPATCHABLE_HANDLE( VkFence )
+VK_DEFINE_NON_DISPATCHABLE_HANDLE( VkSemaphore )
 
 struct GraphicsQueueRingBuffer;
 

src/engine/renderer-vulkan/GraphicsCore/SwapChain.cpp

@@ -228,4 +228,19 @@ void SwapChain::Init( const VkInstance instance ) {
 
 void SwapChain::Free() {
 	vkDestroySwapchainKHR( device, swapChain, nullptr );
-}
+}
+
+VkImage SwapChain::AcquireNextImage( const uint64 timeout, VkFence fence, VkSemaphore semaphore ) {
+	VkAcquireNextImageInfoKHR info {
+		.swapchain  = swapChain,
+		.timeout    = timeout,
+		.semaphore  = semaphore,
+		.fence      = fence,
+		.deviceMask = 1
+	};
+
+	uint32 imageID;
+	vkAcquireNextImage2KHR( device, &info, &imageID );
+
+	return images[imageID];
+}

src/engine/renderer-vulkan/GraphicsCore/SwapChain.h

@@ -66,6 +66,8 @@ struct SwapChain : public GraphicsResource {
 
 	void Init( const VkInstance instance );
 	void Free() override;
+
+	VkImage AcquireNextImage( const uint64 timeout, VkFence fence, VkSemaphore semaphore );
 };
 
 #endif // SWAP_CHAIN_H