#include "graphics.h"

#include <cstring>

#include "utils.h"

#define WAYC_APP_NAME ""
#define WAYC_APP_VERSION 0

enum graphics_error_e wayc_graphics_init(struct graphics_s* graphics) {
  wayc_notnull(graphics);
  memset(graphics, 0, sizeof(*graphics));

  VkApplicationInfo appinfo = {};
  appinfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
  appinfo.pApplicationName = WAYC_APP_NAME;
  appinfo.applicationVersion = WAYC_APP_VERSION;
  appinfo.pEngineName = WAYC_APP_NAME;
  appinfo.engineVersion = WAYC_APP_VERSION;

  VkInstanceCreateInfo createinfo = {};
  createinfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
  createinfo.pApplicationInfo = &appinfo;

  VkResult result = vkCreateInstance(&createinfo, nullptr, &graphics->instance);
  if (result != VK_SUCCESS) return GRAPHICS_ERROR_INSTANCE;

  graphics->instance = VK_NULL_HANDLE;
  return GRAPHICS_ERROR_NONE;
}

void wayc_graphics_deinit(struct graphics_s* graphics) {
  wayc_notnull(graphics);

  if (graphics->instance == nullptr) return;
  vkDestroyInstance(graphics->instance, nullptr);
}