make vulkan enable swapchain extension

Gryphn/GryphnLoader/src/gryphn_return_code.h

@@ -3,5 +3,6 @@
 typedef enum gnReturnCode {
     GN_SUCCESS,
     GN_FAILED_TO_FIND_LIBARY,
-    GN_UNSUPPORTED_BACKEND
+    GN_UNSUPPORTED_BACKEND,
+    GN_EXTENSION_NOT_PRESENT
 } gnReturnCode;

Gryphn/apis/GryphnVulkan/src/vulkan.c

@@ -1,20 +1,11 @@
-#include "core/gryphn_format.h"
-#include "stdio.h"
 #include "instance/gryphn_instance.h"
 #include "gryphn_handle.h"
 #include "stdlib.h"
 #include <vulkan/vulkan_core.h>
 #include "vulkan_functions.h"
+#include "vulkan_helpers.h"
 #include "string.h"
 
-gnReturnCode vulkanCodeToGryphnCode(VkResult result) {
-    if (result != VK_SUCCESS) {
-        printf("Unknown instance fail mr gregory please diagnose this: %u", result);
-        return GN_FAILED_TO_FIND_LIBARY;
-    }
-    return GN_SUCCESS;
-}
-
 uint32_t gnInternalIsApiSupported(gnVersion gryphnVersion) {
     if (gryphnVersion != gnCreateVersion(1, 0, 0)) return 0;
 

Gryphn/apis/GryphnVulkan/src/vulkan_device.c

@@ -5,6 +5,7 @@
 #include "instance/gryphn_instance.h"
 #include "device/gryphn_physical_device.h"
 #include <string.h>
+#include <stdio.h>
 #include <vulkan/vulkan_core.h>
 
 gnPhysicalDeviceType vulkanDeviceTypeToGryphnDeviceType(VkPhysicalDeviceType type) {
@@ -60,7 +61,10 @@ gnReturnCode vulkanCreateDevice(gnInstance instance, gnDeviceCreateInfo* info, g
     const char** extensions = malloc(sizeof(const char*) * info->enabledExtensionCount);
     int realEnabledExtensionCount = 0;
     for (int i = 0; i < info->enabledExtensionCount; i++) {
-        // zero supported vulkan extensions right now
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_swapchain") == 0) {
+            extensions[realEnabledExtensionCount] = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
+            realEnabledExtensionCount++;
+        }
     }
 
     VkPhysicalDeviceFeatures deviceFeatures = {
@@ -83,7 +87,7 @@ gnReturnCode vulkanCreateDevice(gnInstance instance, gnDeviceCreateInfo* info, g
     device->internalData = vulkanDevice;
 
     device->dispatchTable.destroyDevice = vulkanDestroyDevice;
-
+    free(extensions);
     return vulkanCodeToGryphnCode(result);
 }
 gnReturnCode vulkanDestroyDevice(gnDevice device) {

Gryphn/apis/GryphnVulkan/src/vulkan_helpers.c

@@ -1,5 +1,19 @@
 #include "vulkan_helpers.h"
 #include "core/gryphn_format.h"
+#include "gryphn_return_code.h"
+#include "stdio.h"
+#include <vulkan/vulkan_core.h>
+
+gnReturnCode vulkanCodeToGryphnCode(VkResult result) {
+    switch(result) {
+        default: {
+            printf("Unknown instance fail mr gregory please diagnose this: %d\n", result);
+            return GN_UNSUPPORTED_BACKEND;
+        }
+        case VK_SUCCESS: return GN_SUCCESS;
+        case VK_ERROR_EXTENSION_NOT_PRESENT: return GN_EXTENSION_NOT_PRESENT;
+    }
+}
 
 gnFormat vulkanFormatToGryphnFormat(VkFormat format) {
     switch (format) {