enumerate through physical devices

Gryphn/apis/GryphnVulkan/src/vulkan.c

@@ -1,9 +1,9 @@
 #include "stdio.h"
 #include "instance/gryphn_instance.h"
 #include "gryphn_handle.h"
-#include "vulkan/vulkan.h"
 #include "stdlib.h"
 #include <vulkan/vulkan_core.h>
+#include "vulkan_functions.h"
 
 gnReturnCode vulkanCodeToGryphnCode(VkResult result) {
     if (result != VK_SUCCESS) {
@@ -72,7 +72,7 @@ gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) {
     };
 
     instance->dispatchTable.destroyInstance = destroyBackend;
-    // instance->dispatchTable.enumeratePhysicalDevices = NULL;
+    instance->dispatchTable.enumeratePhysicalDevices = vulkanEnumeratePhysicalDevices;
     // instance->dispatchTable.getPhysicalDeviceProperties = NULL;
     // instance->dispatchTable.createDevice = NULL;
 

Gryphn/apis/GryphnVulkan/src/vulkan_device.c

@@ -0,0 +1,31 @@
+#include "stdlib.h"
+#include "gryphn_return_code.h"
+#include "vulkan_functions.h"
+#include "vulkan_helpers.h"
+#include "instance/gryphn_instance.h"
+#include "device/gryphn_physical_device.h"
+#include <vulkan/vulkan_core.h>
+
+gnReturnCode vulkanEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices) {
+    if (devices == NULL) {
+        vkEnumeratePhysicalDevices(instance->internalData, deviceCount, NULL);
+        return GN_SUCCESS;
+    }
+
+    VkPhysicalDevice* vulkanDevices = malloc(sizeof(VkPhysicalDevice) * (*deviceCount));
+    VkResult result = vkEnumeratePhysicalDevices(instance->internalData, deviceCount, vulkanDevices);
+
+    if (result != VK_SUCCESS) {
+        free(vulkanDevices);
+        return vulkanCodeToGryphnCode(result);
+    }
+
+    for (uint32_t i = 0; i < *deviceCount; i++) {
+        devices[i] = malloc(sizeof(gnPhysicalDevice_t));
+        devices[i]->instance = instance;
+        devices[i]->internalData = vulkanDevices[i];
+    }
+
+    free(vulkanDevices);
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnVulkan/src/vulkan_functions.h

@@ -0,0 +1,6 @@
+#pragma once
+#include "stdint.h"
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+
+gnReturnCode vulkanEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices);