def __cretaeInstance(self):
createInfo = _vk.InstanceCreateInfo()
createInfo.applicationInfo.applicationName = 'pyvkApp'
createInfo.applicationInfo.engineName = 'pyvkEngine'
createInfo.applicationInfo.engineVersion = _vk.makeVersion()
createInfo.applicationInfo.applicationVersion = _vk.makeVersion()
createInfo.applicationInfo.apiVersion = _vk.makeVersion()
debugInfo = _vk.DebugUtilsMessengerCreateInfoEXT()
messageSeverity = _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT #| _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT
print(messageSeverity, type(messageSeverity),
type(_vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT))
debugInfo.messageSeverity = messageSeverity
debugInfo.messageType = _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT
debugInfo.userCallback = debugCallback
createInfo.pNext = debugInfo
if enableValidationLayers:
extensionNames = self.__getRequiredExtensions()
#extensionNames = ['VK_LAYER_KHRONOS_validation', 'VK_KHR_get_surface_capabilities2', 'VK_KHR_surface', 'VK_KHR_win32_surface']
createInfo.enabledExtensionNames = extensionNames
createInfo.enabledLayerNames = validationLayers
self.__instance = _vk.Instance(createInfo)
print(self.__instance.isValid)
def __setupDebugCallback(self):
if not enableValidationLayers:
return
messageSeverity = _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT
messageType = _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT
createInfo = _vk.DebugUtilsMessengerCreateInfoEXT()
createInfo.messageSeverity = messageSeverity
createInfo.messageType = messageType
createInfo.userCallback = debugCallback
self.__debugMessenger = self.__instance.createDebugUtilsMessengerEXT(
createInfo)
def createInstance(self):
enabledExtensions = []
if enableValidationLayers:
supportLayerNames = [prop.layerName for prop in _vk.Instance.getLayerProperties()]
if 'VK_LAYER_KHRONOS_validation' not in supportLayerNames:
raise Exception('Layer VK_LAYER_KHRONOS_validation not supported')
self.__enabledLayers.append('VK_LAYER_KHRONOS_validation')
supportExtensions = [prop.extensionName for prop in _vk.Instance.getExtensionProperties()]
if _vk.VK_EXT_DEBUG_UTILS_EXTENSION_NAME not in supportExtensions:
raise Exception('Extension {} not supported'.format(_vk.VK_EXT_DEBUG_UTILS_EXTENSION_NAME))
enabledExtensions.append(_vk.VK_EXT_DEBUG_UTILS_EXTENSION_NAME)
appInfo = _vk.ApplicationInfo()
appInfo.applicationName = 'Hello world app'
appInfo.applicationVersion = 0
appInfo.engineName = 'awesomeengine'
appInfo.engineVersion = 0
appInfo.apiVersion = _vk.makeVersion()
createInfo = _vk.InstanceCreateInfo()
createInfo.applicationInfo = appInfo
createInfo.enabledLayerNames = self.__enabledLayers
createInfo.enabledExtensionNames = enabledExtensions
self.__instance = _vk.Instance(createInfo)
if enableValidationLayers:
messageSeverity = _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT
messageType = _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | _vk.VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT
createInfo = _vk.DebugUtilsMessengerCreateInfoEXT()
createInfo.messageSeverity = messageSeverity
createInfo.messageType = messageType
createInfo.userCallback = self.debugCallback
self.__debugMessenger = self.__instance.createDebugUtilsMessengerEXT(createInfo)
