public void EnableDebugCallback(VkDebugReportFlagsEXT flags = VkDebugReportFlagsEXT.WarningEXT | VkDebugReportFlagsEXT.ErrorEXT)
{
_debugCallbackFunc = DebugCallback;
IntPtr debugFunctionPtr = Marshal.GetFunctionPointerForDelegate(_debugCallbackFunc);
VkDebugReportCallbackCreateInfoEXT debugCallbackCI = VkDebugReportCallbackCreateInfoEXT.New();
debugCallbackCI.flags = flags;
debugCallbackCI.pfnCallback = debugFunctionPtr;
FixedUtf8String debugExtFnName = "vkCreateDebugReportCallbackEXT";
IntPtr createFnPtr = vkGetInstanceProcAddr(_instance, debugExtFnName);
vkCreateDebugReportCallbackEXT_d createDelegate = Marshal.GetDelegateForFunctionPointer <vkCreateDebugReportCallbackEXT_d>(createFnPtr);
createDelegate(_instance, &debugCallbackCI, IntPtr.Zero, out _debugCallbackHandle);
}
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 VkInstance CreateInstance()
{
List <GCHandle> handles = new List <GCHandle>();
bool debug = false;
string[] debugOnlyLayers = new string[] {
//"VK_LAYER_GOOGLE_threading",
//"VK_LAYER_LUNARG_parameter_validation",
//"VK_LAYER_LUNARG_device_limits", Not Present?
//"VK_LAYER_LUNARG_object_tracker",
//"VK_LAYER_LUNARG_image", Not Present?
"VK_LAYER_LUNARG_core_validation",
//"VK_LAYER_LUNARG_swapchain",
//"VK_LAYER_GOOGLE_unique_objects",
};
List <string> layerList = new List <string>();
if (debug)
{
layerList.AddRange(debugOnlyLayers);
}
string[] layers = layerList.ToArray();
byte[][] pDebugLayers = new byte[layers.Length][];
byte *[] ppDebugLayerArray = new byte *[pDebugLayers.Length];
if (!debug)
{
ppDebugLayerArray = new byte *[1];//this is to give a null ptr to use later
}
for (int i = 0; i < pDebugLayers.Length; i++)
{
pDebugLayers[i] = Encoding.UTF8.GetBytes(layers[i] + char.MinValue);
GCHandle handle = GCHandle.Alloc(pDebugLayers[i]);
handles.Add(handle);
fixed(byte *p = &(((byte[])handle.Target)[0]))
{
ppDebugLayerArray[i] = p;
}
}
List <string> requiredExtensions = new List <string>();
requiredExtensions.Add("VK_EXT_debug_report");
requiredExtensions.AddRange(GLFW.Vulkan.GetRequiredInstanceExtensions());
string[] extensionNames = requiredExtensions.ToArray();
byte[][] pExtensionNames = new byte[extensionNames.Length][];
byte *[] ppExtensionNamesArray = new byte *[extensionNames.Length];
for (int i = 0; i < pExtensionNames.Length; i++)
{
pExtensionNames[i] = Encoding.UTF8.GetBytes(extensionNames[i] + char.MinValue);
GCHandle handle = GCHandle.Alloc(pExtensionNames[i]);
handles.Add(handle);
fixed(byte *p = &(((byte[])handle.Target)[0]))
{
ppExtensionNamesArray[i] = p;
}
}
VkInstance instance = new VkInstance();
fixed(byte **layersptr = &ppDebugLayerArray[0])
{
fixed(byte **extensions = &ppExtensionNamesArray[0])
{
VkInstanceCreateInfo pCreateInfo = VkInstanceCreateInfo.New();
pCreateInfo.ppEnabledLayerNames = layersptr;
pCreateInfo.ppEnabledExtensionNames = extensions;
pCreateInfo.enabledLayerCount = (uint)pDebugLayers.Length;
pCreateInfo.enabledExtensionCount = (uint)extensionNames.Length;
Assert(vkCreateInstance(&pCreateInfo, null, &instance));
}
}
foreach (var handle in handles)
{
handle.Free();
}
DebugDelegate debugDelegate = new DebugDelegate(DebugCallback);
//PFN_vkDebugReportCallbackEXT _debugCallbackFunc =(PFN_vkDebugReportCallbackEXT) debugDelegate;
IntPtr debugFunctionPtr = Marshal.GetFunctionPointerForDelegate(debugDelegate);
debugDelegateHandle = GCHandle.Alloc(debugDelegate);
VkDebugReportCallbackCreateInfoEXT createInfoEXT = VkDebugReportCallbackCreateInfoEXT.New();
createInfoEXT.pfnCallback = debugFunctionPtr;
createInfoEXT.flags = //VkDebugReportFlagsEXT.DebugEXT | VkDebugReportFlagsEXT.ErrorEXT | VkDebugReportFlagsEXT.WarningEXT |
(VkDebugReportFlagsEXT)int.MaxValue;
byte[] debugExtFnName = Encoding.UTF8.GetBytes("vkCreateDebugReportCallbackEXT" + char.MinValue);
IntPtr createFnPtr;
fixed(byte *namePtr = &(debugExtFnName[0]))
{
createFnPtr = vkGetInstanceProcAddr(instance, namePtr);
}
vkCreateDebugReportCallbackEXT_d createDelegate = Marshal.GetDelegateForFunctionPointer <vkCreateDebugReportCallbackEXT_d>(createFnPtr);
VkDebugReportCallbackCreateInfoEXT *createInfoPtr = (&createInfoEXT);
fixed(ulong *ptr = &(debugReport.Handle))
{
Assert(createDelegate(instance, createInfoPtr, IntPtr.Zero, out debugReport));
}
return(instance);
}