1 files changed, 47 insertions, 4 deletions

diff --git a/src/core.c b/src/core.c
index 158615c..ed09597 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1,15 +1,58 @@
 // The engine "core"
 
 #include <celeritas.h>
+#include <stdlib.h>
+#include "glfw3.h"
 
 NAMESPACED_LOGGER(core);
 
-void Core_Bringup(const char* window_name, struct GLFWwindow* optional_window) {
-  // INFO("Initiate Core bringup");
+core g_core = { 0 };
+
+#ifdef GPU_METAL
+static const char* gapi = "Metal";
+#else
+static const char* gapi = "Vulkan";
+#endif
+
+// forward declares
+void key_callback(GLFWwindow* win, int key, int scancode, int action, int mods);
+void resize_callback(GLFWwindow* win, int width, int height);
+
+void core_bringup(const char* window_name, struct GLFWwindow* optional_window) {
   INFO("Initiate Core bringup");
 
   INFO("Create GLFW window");
+  glfwInit();
+
+  glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+
+  char* full_window_name = malloc(sizeof(char) * 100);
+  sprintf(full_window_name, "%s (%s)", window_name, gapi);
+
+  if (optional_window) {
+    g_core.window = optional_window;
+  } else {
+    GLFWwindow* glfw_window = glfwCreateWindow(800, 600, full_window_name, NULL, NULL);
+    g_core.window = glfw_window;
+  }
+
+  // This may move into a renderer struct
+  ral_backend_init(window_name, g_core.window);
+
+  glfwSetKeyCallback(g_core.window, key_callback);
+  glfwSetFramebufferSizeCallback(g_core.window, resize_callback);
+}
+void core_shutdown() {
+  ral_backend_shutdown();
+  glfwTerminate();
+}
+
+bool app_should_exit() { return glfwWindowShouldClose(g_core.window) || g_core.should_exit; }
+
+void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
+  if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) {
+    g_core.should_exit = true;
+  }
 }
-void Core_Shutdown() {}
 
-bool AppShouldExit() { return false; }
+void resize_callback(GLFWwindow* window, int width, int height) { ral_backend_resize_framebuffer(width, height); }
\ No newline at end of file