static void terminateApp()
{
if (initialResources.get())
{
initialResources->destroyDevice();
}
//
if (surface.get())
{
surface->destroy();
}
//
if (window.get())
{
window->destroy();
}
if (display.get())
{
display->destroy();
}
vkts::visualTerminate();
//
if (initialResources.get())
{
initialResources->destroyInstance();
initialResources.reset();
}
//
vkts::profileTerminate();
//
vkts::engineTerminate();
}
int main()
{
//
// Engine initialization.
//
if (!vkts::engineInit())
{
return -1;
}
vkts::logSetLevel(VKTS_LOG_INFO);
//
// Set task executors.
//
if (!vkts::engineSetTaskExecutorCount(vkts::processorGetNumber()))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not set task executors.");
terminateApp();
return -1;
}
//
VkResult result;
//
if (!vkts::wsiGatherNeededInstanceExtensions())
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not gather instance extensions.");
terminateApp();
return -1;
}
auto instance = vkts::instanceCreate(VKTS_EXAMPLE_NAME, VK_MAKE_VERSION(1, 0, 0), VK_MAKE_VERSION(1, 0, 0), 0, 0, nullptr, vkts::extensionGetNeededInstanceExtensionCount(), vkts::extensionGetNeededInstanceExtensionNames());
if (!instance.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create instance.");
terminateApp();
return -1;
}
if (!vkts::wsiInitInstanceExtensions(instance->getInstance()))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not initialize instance extension.");
terminateApp();
return -1;
}
auto physicalDevice = vkts::physicalDeviceCreate(instance->getInstance(), 0);
if (!physicalDevice.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not get physical device.");
terminateApp();
return -1;
}
//
VkPhysicalDeviceFeatures physicalDeviceFeatures;
physicalDevice->getPhysicalDeviceFeatures(physicalDeviceFeatures);
// Check, if geometry and tessellation shader are available.
if (!physicalDeviceFeatures.geometryShader || !physicalDeviceFeatures.tessellationShader)
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Physical device not capable of geometry and tessellation shaders.");
return VK_FALSE;
}
//
if (!vkts::wsiGatherNeededDeviceExtensions(physicalDevice->getPhysicalDevice()))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not gather device extension.");
terminateApp();
return -1;
}
//
// Visual initialization.
//
if (!vkts::visualInit(instance->getInstance(), physicalDevice->getPhysicalDevice()))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not initialize visual.");
terminateApp();
return -1;
}
display = vkts::visualCreateDefaultDisplay().lock();
if (!display.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create display.");
terminateApp();
return -1;
}
window = vkts::visualCreateWindow(display, VKTS_EXAMPLE_NAME, 1024, 768, VK_FALSE, VK_TRUE, VK_FALSE).lock();
if (!window.get())
{
window = vkts::visualGetWindow(VKTS_DEFAULT_WINDOW_INDEX).lock();
if (!window.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create window.");
terminateApp();
return -1;
}
}
//
surface = vkts::wsiSurfaceCreate(instance->getInstance(), display->getNativeDisplay(), window->getNativeWindow());
if (!surface.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create surface.");
terminateApp();
return -1;
}
//
std::vector<VkBool32> supportFilter;
result = vkts::wsiGetPhysicalDeviceSurfaceSupport(physicalDevice->getPhysicalDevice(), surface->getSurface(), (uint32_t) physicalDevice->getAllQueueFamilyProperties().size(), supportFilter);
if (result != VK_SUCCESS || supportFilter.size() == 0)
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not get physical device surface support.");
terminateApp();
return -1;
}
//
uint32_t queueFamilyIndex;
if (!vkts::queueGetFamilyIndex(physicalDevice->getAllQueueFamilyProperties(), VK_QUEUE_GRAPHICS_BIT, 0, &supportFilter, queueFamilyIndex))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not find queue family index.");
terminateApp();
return -1;
}
//
float queuePriorities[1] = {0.0f};
VkDeviceQueueCreateInfo deviceQueueCreateInfo;
memset(&deviceQueueCreateInfo, 0, sizeof(VkDeviceQueueCreateInfo));
deviceQueueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
deviceQueueCreateInfo.flags = 0;
deviceQueueCreateInfo.queueFamilyIndex = 0;
deviceQueueCreateInfo.queueCount = 1;
deviceQueueCreateInfo.pQueuePriorities = queuePriorities;
auto device = vkts::deviceCreate(physicalDevice->getPhysicalDevice(), 0, 1, &deviceQueueCreateInfo, 0, nullptr, vkts::extensionGetNeededDeviceExtensionCount(), vkts::extensionGetNeededDeviceExtensionNames(), nullptr);
if (!device.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create device.");
terminateApp();
return -1;
}
if (!vkts::wsiInitDeviceExtensions(device->getDevice()))
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not initialize device extension.");
terminateApp();
return -1;
}
//
auto queue = vkts::queueGet(device->getDevice(), queueFamilyIndex, 0);
if (!queue.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not get device queue.");
terminateApp();
return -1;
}
//
initialResources = vkts::initialResourcesCreate(instance, physicalDevice, device, queue);
if (!initialResources.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create initial resources.");
terminateApp();
return -1;
}
//
// Example setup.
//
// Single threaded application, so it is safe to pass display and window.
vkts::IUpdateThreadSP example = vkts::IUpdateThreadSP(new Example(initialResources, window->getIndex(), surface));
if (!example.get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Main: Could not create application.");
terminateApp();
return -1;
}
// This update thread is executed in the main loop. No additional thread is launched.
vkts::engineAddUpdateThread(example);
//
// Execution.
//
vkts::engineRun();
//
// Termination.
//
terminateApp();
return 0;
}