Add swapchain recreation. Needs debugging though

main.cpp

@@ -170,8 +170,8 @@ int main() {
 	check(volkInitialize());
 
 	display_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
-	window        = SDL_CreateWindow("How To Vulkan", (i32)(display_scale * 1920),
+	window        = SDL_CreateWindow("How To Vulkan", (i32)(display_scale * 1920), (i32)(display_scale * 1080),
-	                                 (i32)(display_scale * 1080), SDL_WINDOW_VULKAN);
+	                                 SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
 	check(window != nullptr, EXIT_CODE_WINDOW_CREATION_FAILED);
 	// }}}
 
@@ -1373,11 +1373,91 @@ int main() {
 			}
 		}
 		// }}}
+
+		// {{{ Recreate Swapchain If Needed
+		if (update_swapchain) {
+			// TODO (Abdelrahman): This doesn't work well. Debug it.
+			update_swapchain = false;
+			check(vkDeviceWaitIdle(device));
+
+			check(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device, surface, &surface_caps));
+
+			// Create new swapchain
+			swapchain_create_info.oldSwapchain = swapchain;
+			swapchain_create_info.imageExtent = { (u32)window_size.x, (u32)window_size.y };
+			check(vkCreateSwapchainKHR(device, &swapchain_create_info, NULL, &swapchain));
+
+			// Clean old image views
+			for (u32 i = 0; i < swapchain_image_count; ++i) {
+				vkDestroyImageView(device, swapchain_views[i], NULL);
+			}
+
+			// Clean old render_completed semaphores
+			for (u32 i = 0; i < swapchain_image_count; ++i) {
+				vkDestroySemaphore(device, render_completed_semaphores[i], NULL);
+			}
+
+			// Get new swapchain images
+			check(vkGetSwapchainImagesKHR(device, swapchain, &swapchain_image_count, nullptr));
+			if (swapchain_image_count != wapp_array_count(swapchain_images)) {
+				swapchain_images = wapp_array_alloc_capacity(VkImage, &arena, swapchain_image_count, ARRAY_INIT_FILLED);
+				swapchain_views = wapp_array_alloc_capacity(VkImageView, &arena, swapchain_image_count, ARRAY_INIT_FILLED);
+				render_completed_semaphores = wapp_array_alloc_capacity(VkSemaphore, &arena, swapchain_image_count, ARRAY_INIT_FILLED);
+			}
+			check(swapchain_images != nullptr, EXIT_CODE_ALLOCATION_FAILURE);
+			check(vkGetSwapchainImagesKHR(device, swapchain, &swapchain_image_count, swapchain_images));
+
+			check(swapchain_views != nullptr, EXIT_CODE_ALLOCATION_FAILURE);
+
+			for (u32 i = 0; i < swapchain_image_count; ++i) {
+				VkImageViewCreateInfo view_create_info           = {};
+				view_create_info.sType                           = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+				view_create_info.image                           = swapchain_images[i];
+				view_create_info.viewType                        = VK_IMAGE_VIEW_TYPE_2D;
+				view_create_info.format                          = image_format;
+				view_create_info.subresourceRange.aspectMask     = VK_IMAGE_ASPECT_COLOR_BIT;
+				view_create_info.subresourceRange.levelCount     = 1;
+				view_create_info.subresourceRange.layerCount     = 1;
+
+				check(vkCreateImageView(device, &view_create_info, nullptr, &swapchain_views[i]));
+			}
+
+			check(render_completed_semaphores != nullptr, EXIT_CODE_SYNC_OBJ_CREATE_FAILED);
+
+			for (u32 i = 0; i < swapchain_image_count; ++i) {
+				check(vkCreateSemaphore(device, &semaphore_create_info, NULL, &render_completed_semaphores[i]));
+			}
+
+			vkDestroySwapchainKHR(device, swapchain_create_info.oldSwapchain, NULL);
+			vmaDestroyImage(allocator, depth_image, depth_allocation);
+			vkDestroyImageView(device, depth_view, NULL);
+
+			depth_image_create_info.extent = { (u32)window_size.x, (u32)window_size.y, 1 };
+
+			VmaAllocationCreateInfo alloc_create_info = {};
+			alloc_create_info.flags                   = VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT;
+			alloc_create_info.usage                   = VMA_MEMORY_USAGE_AUTO;
+
+			check(vmaCreateImage(allocator, &depth_image_create_info, &alloc_create_info, &depth_image,
+			                     &depth_allocation, nullptr));
+
+			VkImageViewCreateInfo view_create_info       = {};
+			view_create_info.sType                       = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+			view_create_info.image                       = depth_image;
+			view_create_info.viewType                    = VK_IMAGE_VIEW_TYPE_2D;
+			view_create_info.format                      = depth_format;
+			view_create_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
+			view_create_info.subresourceRange.levelCount = 1;
+			view_create_info.subresourceRange.layerCount = 1;
+
+			check(vkCreateImageView(device, &view_create_info, NULL, &depth_view));
+		}
+		// }}}
 	}
 	// }}}
 
 	// {{{ Cleanup
-	check(vkQueueWaitIdle(queue));
+	check(vkDeviceWaitIdle(device));
 
 	vkDestroyPipeline(device, graphics_pipeline, NULL);
 	vkDestroyPipelineLayout(device, graphics_pipeline_layout, NULL);