Verify we have glfw extension support in program

src/main.c

@@ -1,6 +1,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <vulkan/vulkan_core.h>
 
 #define GLFW_INCLUDE_VULKAN
@@ -11,6 +12,22 @@ typedef struct Application {
   VkInstance instance;
 } Application;
 
+bool verifyGlfwExtensionSupport(uint32_t extensionCount,
+                            VkExtensionProperties *extentions,
+                            uint32_t glfwExtensionCount,
+                            const char **glfwExtensions) {
+  uint32_t correctExtensions = 0;
+  for (uint32_t i = 0; i < glfwExtensionCount; i++) {
+    for (uint32_t j = 0; j < extensionCount; j++) {
+      if (strcmp(glfwExtensions[i], extentions[j].extensionName) == 0) {
+        correctExtensions++;
+        break;
+      }
+    }
+  }
+  return correctExtensions == glfwExtensionCount;
+}
+
 void createInstance(Application *app) {
   VkApplicationInfo appInfo = {
       .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
@@ -44,6 +61,12 @@ void createInstance(Application *app) {
   VkExtensionProperties extensions[extensionCount];
   vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, extensions);
 
+  if (!verifyGlfwExtensionSupport(extensionCount, extensions, glfwExtensionCount,
+                              glfwExtensions)) {
+    fprintf(stderr, "Failed to find all required vulkan extentions for glfw\n");
+    exit(EXIT_FAILURE);
+  }
+
   printf("Instance Extentions Available:\n");
   for (uint i = 0; i < extensionCount; i++) {
     printf("\t%s\n", extensions[i].extensionName);