From 2ead02037dc89e987fbc0a021fe470e29d226cfd Mon Sep 17 00:00:00 2001
From: Chuyan Zhang <me@zcy.moe>
Date: Sat, 7 Sep 2024 00:40:38 -0700
Subject: Add more encapsulation, use VMA for allocation

---
 src/app.cpp | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

(limited to 'src/app.cpp')

diff --git a/src/app.cpp b/src/app.cpp
index b3df2a5..a5b3247 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -1,9 +1,9 @@
 #include "vulkan_swapchain.h"
 
-#include "imgui.h"
-#include "imgui_impl_glfw.h"
 #include "imgui_impl_vulkan.h"
 #include "argparse/argparse.hpp"
+#include <cstdint>
+#include <sys/types.h>
 
 #define GLFW_INCLUDE_VULKAN
 #include <GLFW/glfw3.h>
@@ -15,12 +15,6 @@
 
 std::unique_ptr<iris::Swapchain> start_up(int width, int height) {
     auto glfw_extensions = get_glfw_instance_extensions();
-    // std::vector<const char*> glfw_extensions = {
-    //     "VK_KHR_surface",
-    // };
-    // for (const auto& extension : glfw_extensions) {
-    //     std::cerr << "GLFW extension: " << extension << std::endl;
-    // }
     iris::Device device({}, glfw_extensions);
 
     auto window = glfwCreateWindow(width, height, "IrisRenderer", nullptr, nullptr);
@@ -31,10 +25,6 @@ std::unique_ptr<iris::Swapchain> start_up(int width, int height) {
     return std::make_unique<iris::Swapchain>(window, device);
 }
 
-void main_loop(GLFWwindow *window) {
-    (void) window;
-}
-
 void shut_down(std::unique_ptr<iris::Swapchain>& swapchain) {
     ImGui_ImplVulkan_Shutdown();
 
@@ -77,7 +67,23 @@ int main(int argc, char** argv) {
 
     auto swapchain = start_up(window_width, window_height);
     while (!glfwWindowShouldClose(swapchain->window)) {
-        main_loop(swapchain->window);
+        glfwPollEvents();
+
+        int display_w, display_h;
+        glfwGetFramebufferSize(swapchain->window, &display_w, &display_h);
+        if (display_w == 0 || display_h == 0) {
+            break;
+        }
+
+        swapchain->needs_recreate |= 
+            (uint32_t) display_w != swapchain->width || 
+            (uint32_t) display_h != swapchain->height;
+        if (swapchain->needs_recreate) {
+            swapchain->resize(display_w, display_h);
+            swapchain->needs_recreate = false;
+        }
+
+        ImGui_ImplVulkan_NewFrame();
     }
 
     shut_down(swapchain);    
-- 
cgit v1.2.3-70-g09d2