From 25125b2e23c02199bdefb3a638584465229fd833 Mon Sep 17 00:00:00 2001
From: ladevieq <ladevie.quentin@gmail.com>
Date: Sun, 17 Jan 2021 20:54:11 +0100
Subject: Handle window resize

---
 include/utils.hpp       | 28 ++++++++++++++++++++++++++--
 include/vk-renderer.hpp | 48 ++++++++++++++++++++----------------------------
 include/window.hpp      |  6 +++++-
 3 files changed, 51 insertions(+), 31 deletions(-)

(limited to 'include')

diff --git a/include/utils.hpp b/include/utils.hpp
index 42a5a1a..830b006 100644
--- a/include/utils.hpp
+++ b/include/utils.hpp
@@ -2,13 +2,37 @@
 #define __UTILS_HPP_
 
 #include <cstdint>
-
+#include <cstdlib>
 #include <vector>
 
-#include <cstdlib>
+#include "vec3.hpp"
+#include "sphere.hpp"
+#include "camera.hpp"
+
+struct input_data {
+    color sky_color;
+    color ground_color;
+
+    camera cam;
+
+    float random_offset[2000];
+    float random_disk[2000];
+    vec3 random_in_sphere[1000];
+
+    sphere spheres[512];
+
+    uint32_t max_bounce;
+    uint32_t samples_per_pixel;
+
+    // Output image resolution
+    uint32_t width;
+    uint32_t height;
+};
 
 std::vector<uint8_t> get_shader_code(const char* path);
 
+struct input_data create_inputs(uint32_t width, uint32_t height);
+
 #define PI 3.14159265359
 
 inline float deg_to_rad(float deg) {
diff --git a/include/vk-renderer.hpp b/include/vk-renderer.hpp
index 580ca72..a8c5d2b 100644
--- a/include/vk-renderer.hpp
+++ b/include/vk-renderer.hpp
@@ -7,45 +7,27 @@
 #include "thirdparty/vk_mem_alloc.h"
 
 #include "window.hpp"
-#include "camera.hpp"
-#include "sphere.hpp"
 
-struct input_data {
-    color sky_color;
-    color ground_color;
-
-    camera cam;
-
-    float random_offset[2000];
-    float random_disk[2000];
-    vec3 random_in_sphere[1000];
-
-    sphere spheres[512];
-
-    uint32_t max_bounce;
-    uint32_t samples_per_pixel;
-
-    // Output image resolution
-    uint32_t width;
-    uint32_t height;
-};
+class input_data;
 
 class vkrenderer {
     public:
         vkrenderer(window& wnd, const input_data& inputs);
 
-        void compute(size_t width, size_t height);
+        void compute();
+
+        void recreate_swapchain();
 
     private:
         void create_instance();
 
         void create_debugger();
 
-        void create_surface(window& wnd);
+        void create_surface();
 
         void create_device();
 
-        void create_swapchain(window& wnd);
+        void create_swapchain();
 
         void create_pipeline();
 
@@ -59,11 +41,19 @@ class vkrenderer {
 
         void create_semaphores();
 
+        void create_input_buffer(const input_data& inputs);
+
+        void destroy_swapchain();
+
         void select_physical_device();
 
         void select_compute_queue();
 
-        void update_sets(const input_data& data);
+        void update_descriptors_buffer();
+
+        void update_descriptors_image();
+
+        void handle_swapchain_result(VkResult function_result);
 
         uint32_t                        compute_queue_index;
         uint64_t                        frame_index = 0;
@@ -91,14 +81,16 @@ class vkrenderer {
         std::vector<VkSemaphore>        acquire_semaphores;
 
         VkSurfaceFormatKHR              surface_format;
-        VkSurfaceKHR                    platform_surface;
-        VkSwapchainKHR                  swapchain;
+        VkSurfaceKHR                    platform_surface = VK_NULL_HANDLE;
+        VkSwapchainKHR                  swapchain = VK_NULL_HANDLE;
         size_t                          swapchain_images_count = 3;
         std::vector<VkImage>            swapchain_images;
         std::vector<VkImageView>        swapchain_images_views;
         uint32_t                        current_image_index;
 
-        struct input_data*      mapped_data;
+        struct input_data*              mapped_data;
+
+        window&                         wnd;
 };
 
 #endif // !__VK_RENDERER_HPP_
diff --git a/include/window.hpp b/include/window.hpp
index 550463d..3298d36 100644
--- a/include/window.hpp
+++ b/include/window.hpp
@@ -1,9 +1,12 @@
 #ifndef __WINDOW_HPP_
 #define __WINDOW_HPP_
 
-#include "defines.hpp"
 #include <cstdint>
 
+#include "defines.hpp"
+
+class vkrenderer;
+
 #if defined(LINUX)
 #include <xcb/xcb.h>
 
@@ -35,6 +38,7 @@ class window {
         static LRESULT CALLBACK window_procedure(HWND hwnd, UINT umsg, WPARAM wparam, LPARAM lparam);
 
         HWND                win_handle;
+        vkrenderer*         renderer = nullptr;
 
         uint32_t            width;
         uint32_t            height;
-- 
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