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);
 	// }}}
 
@@ -374,7 +374,8 @@ int main() {
 
 	VmaAllocatorCreateInfo allocator_create_info = {};
 	allocator_create_info.flags                  = VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT |
-	                                               VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT;
+	                                               VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT |
+	                                               VMA_ALLOCATOR_CREATE_KHR_MAINTENANCE5_BIT;
 	allocator_create_info.instance               = instance;
 	allocator_create_info.physicalDevice         = physical_device;
 	allocator_create_info.device                 = device;
@@ -529,9 +530,9 @@ int main() {
 			1.0 - attrib.texcoords[index.texcoord_index * 2 + 1]
 		};
 
-		u16 idx = (u16)wapp_array_count(indices);
+		u16 idx  = (u16)wapp_array_count(indices);
-		wapp_array_append_alloc(Vertex, &arena, vertices, &v, ARRAY_INIT_NONE);
+		vertices = wapp_array_append_alloc(Vertex, &arena, vertices, &v, ARRAY_INIT_NONE);
-		wapp_array_append_alloc(u16, &arena, indices, &idx, ARRAY_INIT_NONE);
+		indices  = wapp_array_append_alloc(u16, &arena, indices, &idx, ARRAY_INIT_NONE);
 	}
 	// }}}
 
@@ -565,20 +566,20 @@ int main() {
 	shader_data_bufs = wapp_array_with_capacity(ShaderDataBuffer, max_frames_in_flight, ARRAY_INIT_FILLED);
 	for (u32 i = 0; i < max_frames_in_flight; ++i) {
 		// {{{ Create Buffer
-		VkBufferUsageFlags2CreateInfo data_buf_usage_flags = {};
+		VkBufferUsageFlags2CreateInfo buf_usage_flags = {};
-		data_buf_usage_flags.sType                         = VK_STRUCTURE_TYPE_BUFFER_USAGE_FLAGS_2_CREATE_INFO;
+		buf_usage_flags.sType = VK_STRUCTURE_TYPE_BUFFER_USAGE_FLAGS_2_CREATE_INFO;
-		data_buf_usage_flags.usage                         = VK_BUFFER_USAGE_2_SHADER_DEVICE_ADDRESS_BIT;
+		buf_usage_flags.usage = VK_BUFFER_USAGE_2_SHADER_DEVICE_ADDRESS_BIT;
+
 		VkBufferCreateInfo data_buf_create_info = {};
 		data_buf_create_info.sType              = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
 		data_buf_create_info.size               = sizeof(ShaderData);
-		data_buf_create_info.usage              = VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT;
+		data_buf_create_info.pNext              = &buf_usage_flags;
-		data_buf_create_info.pNext              = &data_buf_usage_flags;
 
 		VmaAllocationCreateInfo data_buf_alloc_create_info = {};
 		data_buf_alloc_create_info.flags                   = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT |
 		                                                     VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT |
 		                                                     VMA_ALLOCATION_CREATE_MAPPED_BIT;
-		data_buf_create_info.usage                         = VMA_MEMORY_USAGE_AUTO;
+		data_buf_alloc_create_info.usage                   = VMA_MEMORY_USAGE_AUTO;
 
 		check(vmaCreateBuffer(allocator, &data_buf_create_info, &data_buf_alloc_create_info,
 		                      &shader_data_bufs[i].buffer, &shader_data_bufs[i].allocation,
@@ -1124,7 +1125,7 @@ int main() {
 	 * - Poll events
 	 */
 
-	object_rotations = wapp_array_with_capacity(glm::vec3, 3, ARRAY_INIT_FILLED);
+	object_rotations = wapp_array_with_capacity(glm::vec3, instance_count, ARRAY_INIT_FILLED);
 	u64 last_time    = SDL_GetTicks();
 	SDL_Event event  = {};
 
@@ -1144,7 +1145,7 @@ int main() {
 		shader_data.projection = glm::perspective(glm::radians(45.0f), (f32)window_size.x / (f32)window_size.y,
 		                                          0.1f, 32.0f);
 		shader_data.view       = glm::translate(glm::mat4(1.0f), camera_position);
-		for (u32 i = 0; i < instance_count; ++i) {
+		for (i32 i = 0; i < instance_count; ++i) {
 			glm::vec3 instance_pos = glm::vec3((f32)(i - 1) * 3.0f, 0.0f, 0.0f);
 			shader_data.model[i]   = glm::translate(glm::mat4(1.0f), instance_pos) *
 			                         glm::mat4_cast(glm::quat(object_rotations[i]));
@@ -1179,17 +1180,17 @@ int main() {
 		memory_barriers[0].subresourceRange.layerCount = 1;
 
 		// Depth Attachment
-		memory_barriers[0].sType                       = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
+		memory_barriers[1].sType                       = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
-		memory_barriers[0].srcStageMask                = VK_PIPELINE_STAGE_2_LATE_FRAGMENT_TESTS_BIT;
+		memory_barriers[1].srcStageMask                = VK_PIPELINE_STAGE_2_LATE_FRAGMENT_TESTS_BIT;
-		memory_barriers[0].srcAccessMask               = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+		memory_barriers[1].srcAccessMask               = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
-		memory_barriers[0].dstStageMask                = VK_PIPELINE_STAGE_2_EARLY_FRAGMENT_TESTS_BIT;
+		memory_barriers[1].dstStageMask                = VK_PIPELINE_STAGE_2_EARLY_FRAGMENT_TESTS_BIT;
-		memory_barriers[0].dstAccessMask               = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+		memory_barriers[1].dstAccessMask               = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
-		memory_barriers[0].oldLayout                   = VK_IMAGE_LAYOUT_UNDEFINED;
+		memory_barriers[1].oldLayout                   = VK_IMAGE_LAYOUT_UNDEFINED;
-		memory_barriers[0].newLayout                   = VK_IMAGE_LAYOUT_ATTACHMENT_OPTIMAL;
+		memory_barriers[1].newLayout                   = VK_IMAGE_LAYOUT_ATTACHMENT_OPTIMAL;
-		memory_barriers[0].image                       = depth_image;
+		memory_barriers[1].image                       = depth_image;
-		memory_barriers[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
+		memory_barriers[1].subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
-		memory_barriers[0].subresourceRange.levelCount = 1;
+		memory_barriers[1].subresourceRange.levelCount = 1;
-		memory_barriers[0].subresourceRange.layerCount = 1;
+		memory_barriers[1].subresourceRange.layerCount = 1;
 
 		// {{{ Transition Layout Color And Depth Images
 		VkDependencyInfo barrier_dependency_info        = {};
@@ -1202,7 +1203,7 @@ int main() {
 
 		// {{{ Dynamic Rendering Commands
 		VkClearValue color_clear_value = {};
-		color_clear_value.color        = { 0.0f, 0.0f, 0.2f, 1.0f };
+		color_clear_value.color        = { 0.0f, 0.0f, 0.0f, 0.0f };
 		VkClearValue depth_clear_value = {};
 		depth_clear_value.depthStencil = { 1.0f, 0 };
 
@@ -1347,7 +1348,7 @@ int main() {
 						break;
 					}
 					// Select active model instance
-					if (event.key.key == SDLK_PLUS || event.key.key == SDLK_KP_PLUS) {
+					if (event.key.key == SDLK_PLUS || event.key.key == SDLK_KP_PLUS || event.key.key == SDLK_EQUALS) {
 						shader_data.selected = (shader_data.selected < 2) ? shader_data.selected + 1 : 0;
 					}
 					if (event.key.key == SDLK_MINUS || event.key.key == SDLK_KP_MINUS) {
@@ -1372,10 +1373,92 @@ 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(vkDeviceWaitIdle(device));
+
 	vkDestroyPipeline(device, graphics_pipeline, NULL);
 	vkDestroyPipelineLayout(device, graphics_pipeline_layout, NULL);
 	vkDestroyShaderModule(device, shader_module, NULL);