From 675480af21c2eeb44f3e982146d023c24e3caa85 Mon Sep 17 00:00:00 2001
From: Noah Metz <noah@metznet.ca>
Date: Sun, 7 Jan 2024 03:04:12 -0700
Subject: [PATCH] Added more stuff

---
 Makefile   |   4 +-
 src/main.c | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 108 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index cab4578..2bd1859 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CFLAGS = -I/opt/homebrew/include -O2 -Wall -Wextra
-LDFLAGS = -L/opt/homebrew/lib -lglfw -lvulkan -ldl
+CFLAGS = -I/usr/local/include -O2 -Wall -Wextra
+LDFLAGS = -L/usr/local/lib -lglfw -lvulkan -ldl -Xlinker -rpath -Xlinker /usr/local/lib
 CC = gcc
 
 SOURCES = $(wildcard src/*.c)
diff --git a/src/main.c b/src/main.c
index 5291fd3..7f73c66 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,112 @@
+#include "vulkan/vulkan_core.h"
 #define GLFW_INCLUDE_VULKAN
 #include <GLFW/glfw3.h>
 
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <cglm/mat4.h>
+#include <cglm/vec4.h>
+#include <stdio.h>
+
+void glfw_error(int error, const char* description) {
+  fprintf(stderr, "GLFW_ERR: 0x%02x - %s\n", error, description);
+}
+
+GLFWwindow* init_window(int width, int height) {
+  glfwInit();
+  glfwSetErrorCallback(glfw_error);
+
+  glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+  glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
+  GLFWwindow* window = glfwCreateWindow(width, height, "Vulkan window", 0, 0);
+
+
+  return window;
+}
+
+VkInstance create_instance() {
+  VkInstance instance;
+
+  VkApplicationInfo app_info;
+  app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+  app_info.pApplicationName = "spacegame";
+  app_info.applicationVersion = VK_MAKE_VERSION(0, 0, 1);
+  app_info.pEngineName = "spacegame";
+  app_info.engineVersion = VK_MAKE_VERSION(0, 0, 1);
+  app_info.apiVersion = VK_API_VERSION_1_3;
+
+  VkInstanceCreateInfo instance_info;
+  instance_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+  instance_info.pApplicationInfo = &app_info;
+
+  uint32_t glfwExtensionCount = 0;
+  const char** glfwExtensions;
+
+  glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
+
+  uint32_t extensionCount = 0;
+  vkEnumerateInstanceExtensionProperties(0, &extensionCount, 0);
+
+  VkExtensionProperties* extensions = (VkExtensionProperties*)(malloc(sizeof(VkExtensionProperties)*extensionCount));
+  vkEnumerateInstanceExtensionProperties(0, &extensionCount, extensions);
+
+  for(uint32_t i = 0; i < extensionCount; i++) {
+    fprintf(stderr, "Supported Extension: %s\n", extensions[i].extensionName);
+  }
+
+  free(extensions);
+
+  instance_info.enabledExtensionCount = glfwExtensionCount;
+  instance_info.ppEnabledExtensionNames = glfwExtensions;
+  instance_info.enabledLayerCount = 0;
+
+  VkResult result = vkCreateInstance(&instance_info, 0, &instance);
+  if(result != VK_SUCCESS) {
+    fprintf(stderr, "vkCreateInstance: 0x%02x\n", result);
+    return 0;
+  }
+
+  return instance;
+}
+
+int init_vulkan() {
+  VkInstance instance = create_instance();
+  if(instance == 0) {
+    return 1;
+  }
+
+  vkDestroyInstance(instance, 0);
+  return 0;
+}
+
+void main_loop(GLFWwindow* window) {
+  while(!glfwWindowShouldClose(window)) {
+    glfwPollEvents();
+  }
+}
+
+void cleanup(GLFWwindow* window) {
+  glfwDestroyWindow(window);
+
+  glfwTerminate();
+}
+
+int main() {
+  GLFWwindow* window = init_window(800, 600);
+  if(window == 0) {
+    fprintf(stderr, "failed to initialize glfw window\n");
+    return 1;
+  }
+
+  int result = init_vulkan();
+  if (result != 0) {
+    fprintf(stderr, "failed to initialize vulkan: err %d\n", result);
+    return 2;
+  }
+
+  main_loop(window);
+
+  cleanup(window);
 
-int main(int argc, char **argv) {
   return 0;
 }