def __createLogicalDevice(self):
indices = self.__findQueueFamilies(self.__physicalDevice)
queueCreateInfo = _vk.DeviceQueueCreateInfo()
queueCreateInfo.queueFamilyIndex = indices.graphicsFamily
queueCreateInfo.queuePriorities = [
1.0,
]
deviceFeatures = _vk.PhysicalDeviceFeatures()
createInfo = _vk.DeviceCreateInfo()
createInfo.queueCreateInfos = [
queueCreateInfo,
]
createInfo.enabledFeatures = deviceFeatures
if enableValidationLayers:
createInfo.enabledLayerNames = validationLayers
self.__device = self.__physicalDevice.createDevice(createInfo)
#self.__device = _vk.Device(self.__physicalDevice, createInfo)
print(self.__device.isValid)
self.__graphicQueue = self.__device.getQueue(indices.graphicsFamily, 0)
print(self.__graphicQueue.isValid)
self.__presentQueue = self.__device.getQueue(indices.presentFamily, 0)
print(self.__presentQueue.isValid)
def __createLogicalDevice(self):
self.__indices = self.__findQueueFamilies(self.__physicalDevice)
uniqueQueueFamilies = {}.fromkeys(
[self.__indices.graphicsFamily, self.__indices.presentFamily])
queueCreateInfos = []
for i in uniqueQueueFamilies:
queueCreateInfo = _vk.DeviceQueueCreateInfo()
queueCreateInfo.queueFamilyIndex = self.__indices.graphicsFamily
queueCreateInfo.queuePriorities = [
1.0,
]
queueCreateInfos.append(queueCreateInfo)
deviceFeatures = _vk.PhysicalDeviceFeatures()
createInfo = _vk.DeviceCreateInfo()
createInfo.queueCreateInfos = [
queueCreateInfo,
]
createInfo.enabledFeatures = deviceFeatures
createInfo.enabledExtensionNames = deviceExtensions
if enableValidationLayers:
createInfo.enabledLayerNames = validationLayers
self.__device = self.__physicalDevice.createDevice(createInfo)
#self.__device = _vk.Device(self.__physicalDevice, createInfo)
self.__graphicQueue = self.__device.getQueue(
self.__indices.graphicsFamily, 0)
self.__presentQueue = self.__device.getQueue(
self.__indices.presentFamily, 0)
def createDevice(self):
# We create the logical device in this function.
self.__queueFamilyIndex = self.getComputeQueueFamilyIndex()
# When creating the device, we also specify what queues it has.
queueCreateInfo = _vk.DeviceQueueCreateInfo(self.__queueFamilyIndex, [1.0,])
deviceFeatures = _vk.PhysicalDeviceFeatures()
deviceCreateInfo = _vk.DeviceCreateInfo()
deviceCreateInfo.enabledLayerNames = self.__enabledLayers
deviceCreateInfo.queueCreateInfos = [queueCreateInfo, ]
deviceCreateInfo.enabledFeatures = deviceFeatures
self.__device = self.__physicalDevice.createDevice(deviceCreateInfo)
self.__queue = self.__device.getQueue(self.__queueFamilyIndex, 0)