From 4309dae5a06d0ca8c95c81bfe020592cb4e6853b Mon Sep 17 00:00:00 2001
From: Benjamin Kraft <benjamin.kraft@online.de>
Date: Thu, 26 Sep 2024 19:59:41 +0200
Subject: [PATCH] handle resizes

---
 include/vulkan/instance.hpp | 2 ++
 src/vulkan/application.cpp  | 4 ++--
 src/vulkan/instance.cpp     | 3 +++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/vulkan/instance.hpp b/include/vulkan/instance.hpp
index cdd0c53..2965fbe 100644
--- a/include/vulkan/instance.hpp
+++ b/include/vulkan/instance.hpp
@@ -22,6 +22,8 @@ public:
 	VkQueue presentQueue = VK_NULL_HANDLE;
 	VkQueue computeQueue = VK_NULL_HANDLE;
 
+	bool windowResized = false;
+
 	CommandPool* commandPool = nullptr;
 
 	struct QueueFamilyIndices {
diff --git a/src/vulkan/application.cpp b/src/vulkan/application.cpp
index f03e898..48d7973 100644
--- a/src/vulkan/application.cpp
+++ b/src/vulkan/application.cpp
@@ -154,9 +154,9 @@ void Application::drawFrame() {
 	presentInfo.pImageIndices = &imageIndex;
 
 	result = vkQueuePresentKHR(Instance::instance->presentQueue, &presentInfo);
-	if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR){
+	if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || Instance::instance->windowResized){
+		Instance::instance->windowResized = false;
 		swapchain->recreateSwapchain();
-		return;
 	}
 }
 
diff --git a/src/vulkan/instance.cpp b/src/vulkan/instance.cpp
index 988f4fd..f798682 100644
--- a/src/vulkan/instance.cpp
+++ b/src/vulkan/instance.cpp
@@ -67,6 +67,9 @@ void Instance::initWindow() {
 	glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
 	glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
 	window = glfwCreateWindow(800, 600, "Vulkan Simulation", nullptr, nullptr);
+	glfwSetFramebufferSizeCallback(window, [](GLFWwindow* window, int width, int height) {
+		instance->windowResized = true;
+	});
 }
 
 void Instance::createInstance() {