From ce697661aebf1d86bc5cd4859c2d6fe0bafc9e19 Mon Sep 17 00:00:00 2001
From: itycodes <tranquillitycodes@proton.me>
Date: Mon, 31 Mar 2025 13:32:12 +0200
Subject: [PATCH] Broken: Initial resizing support

Seems to crash after some random amount of resizes
---
 src/main.rs | 50 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 41 insertions(+), 9 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 43e289f..4081884 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,6 +14,7 @@ use raw_window_handle::HasDisplayHandle;
 use raw_window_handle::HasWindowHandle;
 
 use sdl2::event::Event;
+use sdl2::event::WindowEvent;
 use sdl2::keyboard::Keycode;
 use sdl2::video::Window;
 
@@ -539,6 +540,8 @@ fn setup_swapchain(
             .expect("Failed to get surface capabilities")
     };
 
+    println!("Extents: {:?}", caps.current_extent);
+
     let formats = unsafe {
         surface_loader
             .get_physical_device_surface_formats(*pdev, *surface)
@@ -943,8 +946,8 @@ struct Camera {
 }
 
 fn handle_key(keycode: Keycode, camera: &mut Camera) {
-    let mov_scale = 0.01;
-    let rot_scale = 0.01;
+    let mov_scale = 0.05;
+    let rot_scale = 0.05;
     match keycode {
         Keycode::W => {
             camera.origin.x -= -camera.rotation.y.sin() * mov_scale;
@@ -957,7 +960,7 @@ fn handle_key(keycode: Keycode, camera: &mut Camera) {
         Keycode::A => {
             camera.origin.x += camera.rotation.y.cos() * mov_scale;
             camera.origin.z += camera.rotation.y.sin() * mov_scale;
-        }        
+        }
         Keycode::D => {
             camera.origin.z -= camera.rotation.y.sin() * mov_scale;
             camera.origin.x -= camera.rotation.y.cos() * mov_scale;
@@ -997,6 +1000,7 @@ fn main() {
     let window = video_subsystem
         .window(APP_NAME, width, height)
         .vulkan()
+        .resizable()
         .build()
         .unwrap();
 
@@ -1033,7 +1037,7 @@ fn main() {
     // Max viewport size is 3440x1440
     let depth_mem = mem_alloc(&dev, host_invisible_inx, max_width * max_height * 8);
 
-    let depth_img = make_depth_img(
+    let mut depth_img = make_depth_img(
         &dev,
         host_invisible_inx,
         width,
@@ -1089,7 +1093,7 @@ fn main() {
     let surface_loader = surface::Instance::new(&entry, &instance);
     let swapchain_loader = swapchain::Device::new(&instance, &dev);
 
-    let swapchain = setup_swapchain(
+    let mut swapchain = setup_swapchain(
         &pdev,
         &dev,
         &surface,
@@ -1100,13 +1104,13 @@ fn main() {
 
     let desc_pool = setup_desc_pool(&dev);
 
-    let swap_images = make_swap_images(&dev, &swapchain, &swapchain_loader);
+    let mut swap_images = make_swap_images(&dev, &swapchain, &swapchain_loader);
 
-    let swap_views = make_swap_views(&dev, &swap_images, vk::Format::B8G8R8A8_UNORM);
+    let mut swap_views = make_swap_views(&dev, &swap_images, vk::Format::B8G8R8A8_UNORM);
 
-    let depth_view = make_depth_view(&dev, &depth_img, vk::Format::D32_SFLOAT);
+    let mut depth_view = make_depth_view(&dev, &depth_img, vk::Format::D32_SFLOAT);
 
-    let framebufs = make_framebufs(&dev, &swap_views, &depth_view, &pass, width, height);
+    let mut framebufs = make_framebufs(&dev, &swap_views, &depth_view, &pass, width, height);
 
     let desc_sets = make_desc_sets(&dev, &desc_pool);
 
@@ -1135,6 +1139,34 @@ fn main() {
         for event in event_pump.poll_iter() {
             match event {
                 Event::Quit { .. } => running = false,
+                Event::Window {
+                    win_event: WindowEvent::Resized(w, h),
+                    ..
+                } => {
+                    width = w as u32;
+                    height = h as u32;
+                    swapchain = setup_swapchain(
+                        &pdev,
+                        &dev,
+                        &surface,
+                        &surface_loader,
+                        &swapchain_loader,
+                        &instance,
+                    );
+                    swap_images = make_swap_images(&dev, &swapchain, &swapchain_loader);
+                    swap_views = make_swap_views(&dev, &swap_images, vk::Format::B8G8R8A8_UNORM);
+                    depth_img = make_depth_img(
+                        &dev,
+                        host_invisible_inx,
+                        width,
+                        height,
+                        depth_mem,
+                        rcs_queue_inx,
+                    );
+                    depth_view = make_depth_view(&dev, &depth_img, vk::Format::D32_SFLOAT);
+                    framebufs =
+                        make_framebufs(&dev, &swap_views, &depth_view, &pass, width, height);
+                }
                 Event::KeyDown {
                     keycode: Some(keycode),
                     ..