protected override void PlatformDispose()
{
_scFB.Dispose();
vkDestroySurfaceKHR(_instance, _surface, null);
if (_debugCallbackFunc != null)
{
_debugCallbackFunc = null;
FixedUtf8String debugExtFnName = "vkDestroyDebugReportCallbackEXT";
IntPtr destroyFuncPtr = vkGetInstanceProcAddr(_instance, debugExtFnName);
vkDestroyDebugReportCallbackEXT_d destroyDel
= Marshal.GetDelegateForFunctionPointer <vkDestroyDebugReportCallbackEXT_d>(destroyFuncPtr);
VkResult debugDestroyResult = destroyDel(_instance, _debugCallbackHandle, null);
CheckResult(debugDestroyResult);
}
vkDestroyDescriptorPool(_device, _descriptorPool, null);
vkDestroyCommandPool(_device, _graphicsCommandPool, null);
vkDestroyFence(_device, _imageAvailableFence, null);
_memoryManager.Dispose();
VkResult result = vkDeviceWaitIdle(_device);
CheckResult(result);
vkDestroyDevice(_device, null);
vkDestroyInstance(_instance, null);
}
public void EnableDebugCallback(VkDebugReportFlagsEXT flags = VkDebugReportFlagsEXT.WarningEXT | VkDebugReportFlagsEXT.ErrorEXT)
{
Debug.WriteLine("Enabling Vulkan Debug callbacks.");
_debugCallbackFunc = DebugCallback;
IntPtr debugFunctionPtr = Marshal.GetFunctionPointerForDelegate(_debugCallbackFunc);
VkDebugReportCallbackCreateInfoEXT debugCallbackCI = VkDebugReportCallbackCreateInfoEXT.New();
debugCallbackCI.flags = flags;
debugCallbackCI.pfnCallback = debugFunctionPtr;
IntPtr createFnPtr;
using (FixedUtf8String debugExtFnName = "vkCreateDebugReportCallbackEXT")
{
createFnPtr = vkGetInstanceProcAddr(_instance, debugExtFnName);
}
vkCreateDebugReportCallbackEXT_d createDelegate = Marshal.GetDelegateForFunctionPointer <vkCreateDebugReportCallbackEXT_d>(createFnPtr);
VkResult result = createDelegate(_instance, &debugCallbackCI, IntPtr.Zero, out _debugCallbackHandle);
CheckResult(result);
}
private void CreateLogicalDevice()
{
GetQueueFamilyIndices();
HashSet <uint> familyIndices = new HashSet <uint> {
_graphicsQueueIndex, _presentQueueIndex
};
RawList <VkDeviceQueueCreateInfo> queueCreateInfos = new RawList <VkDeviceQueueCreateInfo>();
foreach (uint index in familyIndices)
{
VkDeviceQueueCreateInfo queueCreateInfo = VkDeviceQueueCreateInfo.New();
queueCreateInfo.queueFamilyIndex = _graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
float priority = 1f;
queueCreateInfo.pQueuePriorities = &priority;
queueCreateInfos.Add(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = new VkPhysicalDeviceFeatures();
deviceFeatures.samplerAnisotropy = true;
deviceFeatures.fillModeNonSolid = true;
deviceFeatures.geometryShader = true;
deviceFeatures.depthClamp = true;
bool debugMarkerSupported = false;
uint propertyCount = 0;
VkResult result = vkEnumerateDeviceExtensionProperties(_physicalDevice, (byte *)null, &propertyCount, null);
CheckResult(result);
VkExtensionProperties *properties = stackalloc VkExtensionProperties[(int)propertyCount];
result = vkEnumerateDeviceExtensionProperties(_physicalDevice, (byte *)null, &propertyCount, properties);
CheckResult(result);
for (int i = 0; i < propertyCount; i++)
{
if (Util.GetString(properties[i].extensionName) == "VK_EXT_debug_marker")
{
Console.WriteLine("VK_EXT_debug_marker is available.");
debugMarkerSupported = true;
break;
}
}
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
fixed(VkDeviceQueueCreateInfo *qciPtr = &queueCreateInfos.Items[0])
{
deviceCreateInfo.pQueueCreateInfos = qciPtr;
deviceCreateInfo.queueCreateInfoCount = queueCreateInfos.Count;
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
StackList <IntPtr> layerNames = new StackList <IntPtr>();
layerNames.Add(CommonStrings.StandardValidationLayerName);
deviceCreateInfo.enabledLayerCount = layerNames.Count;
deviceCreateInfo.ppEnabledLayerNames = (byte **)layerNames.Data;
StackList <IntPtr> extensionNames = new StackList <IntPtr>();
extensionNames.Add(CommonStrings.VK_KHR_SWAPCHAIN_EXTENSION_NAME);
if (debugMarkerSupported)
{
extensionNames.Add(CommonStrings.VK_EXT_DEBUG_MARKER_EXTENSION_NAME);
_debugMarkerEnabled = true;
}
deviceCreateInfo.enabledExtensionCount = extensionNames.Count;
deviceCreateInfo.ppEnabledExtensionNames = (byte **)extensionNames.Data;
result = vkCreateDevice(_physicalDevice, ref deviceCreateInfo, null, out _device);
CheckResult(result);
}
vkGetDeviceQueue(_device, _graphicsQueueIndex, 0, out _graphicsQueue);
vkGetDeviceQueue(_device, _presentQueueIndex, 0, out _presentQueue);
if (debugMarkerSupported)
{
IntPtr setObjectNamePtr;
using (FixedUtf8String debugExtFnName = "vkDebugMarkerSetObjectNameEXT")
{
setObjectNamePtr = vkGetInstanceProcAddr(_instance, debugExtFnName);
}
_setObjectNameDelegate = Marshal.GetDelegateForFunctionPointer <vkDebugMarkerSetObjectNameEXT_d>(setObjectNamePtr);
}
}