Handle resize in all cases

2 files changed, 18 insertions, 4 deletions

diff --git a/src/game.c b/src/game.c
index c3c617a..4b0ea22 100644
--- a/src/game.c
+++ b/src/game.c
@@ -88,6 +88,14 @@ const uint16_t indices[] = {
 };
 const int INDICES_SIZE = VK_ARRAY_LEN(indices);
 
+static int resizing_event_watcher(void* data, SDL_Event* event) {
+  if (event->type == SDL_WINDOWEVENT &&
+      event->window.event == SDL_WINDOWEVENT_RESIZED) {
+    s.sdl_window_resized = 1;
+  }
+  return 0;
+}
+
 bool
 init()
 {
@@ -107,6 +115,8 @@ init()
     return false;
   }
 
+  SDL_AddEventWatch(resizing_event_watcher,NULL);
+
   return true;
 }
 
@@ -552,7 +562,7 @@ void
 vulkan_create_surface()
 {
   if (SDL_Vulkan_CreateSurface(s.sdl_window, s.vk_instance, &s.vk_surface) == SDL_FALSE) {
-    vk_log(VK_INFO, "Failed to create surface\n");
+    vk_log(VK_ERROR, "Failed to create surface\n");
   } else {
     vk_log(VK_INFO, "Vulkan surface created\n");
   }
@@ -1599,7 +1609,8 @@ draw_frame() {
 
   result = vkQueuePresentKHR(s.vk_present_queue, &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 || s.sdl_window_resized) {
+    s.sdl_window_resized = 0;
     recreateSwapChain();
   } else if (result != VK_SUCCESS) {
     vk_log(VK_ERROR, "failed to present swap chain image!\n");
@@ -1647,7 +1658,7 @@ main(int argc, char* args[])
     while (!quit) {
       handle_input(&quit);
       draw_frame();
-      SDL_Delay(16);
+      //SDL_Delay(16);
     }
 
     close_vulkan();
diff --git a/src/state.h b/src/state.h
index 17be1c0..6feb9d1 100644
--- a/src/state.h
+++ b/src/state.h
@@ -59,7 +59,8 @@ typedef struct state {
   float x;
   int zoom;
 
-  SDL_Window* sdl_window;
+  SDL_Window *sdl_window;
+  int sdl_window_resized;
 
   VkInstance vk_instance;
   VkDebugUtilsMessengerEXT vk_debug_messenger;
@@ -131,6 +132,8 @@ init_state(state_t * s)
   s->rotate = 0;
   s->mouse_pressed = 0;
 
+  s->sdl_window_resized = 0;
+
   s->window_w = 800;
   s->window_h = 600;
   s->cell_w = 10;