/// <summary>
///
/// </summary>
/// <param name="pointer">
/// </param>
internal static unsafe PerformanceCounterDescription MarshalFrom(SharpVk.Interop.Khronos.PerformanceCounterDescription *pointer)
{
PerformanceCounterDescription result = default(PerformanceCounterDescription);
result.Flags = pointer->Flags;
result.Name = Interop.HeapUtil.MarshalStringFrom(pointer->Name, Constants.MaxDescriptionSize, true);
result.Category = Interop.HeapUtil.MarshalStringFrom(pointer->Category, Constants.MaxDescriptionSize, true);
result.Description = Interop.HeapUtil.MarshalStringFrom(pointer->Description, Constants.MaxDescriptionSize, true);
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="extendedHandle">
/// The PhysicalDevice handle to extend.
/// </param>
/// <param name="queueFamilyIndex">
/// </param>
/// <param name="counters">
/// </param>
/// <param name="counterDescriptions">
/// </param>
public static unsafe Result EnumerateQueueFamilyPerformanceQueryCounters(this SharpVk.PhysicalDevice extendedHandle, uint queueFamilyIndex, out PerformanceCounter[] counters, out PerformanceCounterDescription[] counterDescriptions)
{
try
{
Result result = default(Result);
uint marshalledCounterCount = default(uint);
CommandCache commandCache = default(CommandCache);
SharpVk.Interop.Khronos.PerformanceCounter * marshalledCounters = default(SharpVk.Interop.Khronos.PerformanceCounter *);
SharpVk.Interop.Khronos.PerformanceCounterDescription *marshalledCounterDescriptions = default(SharpVk.Interop.Khronos.PerformanceCounterDescription *);
commandCache = extendedHandle.commandCache;
SharpVk.Interop.Khronos.VkPhysicalDeviceEnumerateQueueFamilyPerformanceQueryCountersDelegate commandDelegate = commandCache.Cache.vkEnumeratePhysicalDeviceQueueFamilyPerformanceQueryCountersKHR;
result = commandDelegate(extendedHandle.handle, queueFamilyIndex, &marshalledCounterCount, marshalledCounters, marshalledCounterDescriptions);
if (SharpVkException.IsError(result))
{
throw SharpVkException.Create(result);
}
marshalledCounterDescriptions = (SharpVk.Interop.Khronos.PerformanceCounterDescription *)(Interop.HeapUtil.Allocate <SharpVk.Interop.Khronos.PerformanceCounterDescription>((uint)(marshalledCounterCount)));
marshalledCounters = (SharpVk.Interop.Khronos.PerformanceCounter *)(Interop.HeapUtil.Allocate <SharpVk.Interop.Khronos.PerformanceCounter>((uint)(marshalledCounterCount)));
commandDelegate(extendedHandle.handle, queueFamilyIndex, &marshalledCounterCount, marshalledCounters, marshalledCounterDescriptions);
if (marshalledCounters != null)
{
var fieldPointer = new SharpVk.Khronos.PerformanceCounter[(uint)(marshalledCounterCount)];
for (int index = 0; index < (uint)(marshalledCounterCount); index++)
{
fieldPointer[index] = SharpVk.Khronos.PerformanceCounter.MarshalFrom(&marshalledCounters[index]);
}
counters = fieldPointer;
}
else
{
counters = null;
}
if (marshalledCounterDescriptions != null)
{
var fieldPointer = new SharpVk.Khronos.PerformanceCounterDescription[(uint)(marshalledCounterCount)];
for (int index = 0; index < (uint)(marshalledCounterCount); index++)
{
fieldPointer[index] = SharpVk.Khronos.PerformanceCounterDescription.MarshalFrom(&marshalledCounterDescriptions[index]);
}
counterDescriptions = fieldPointer;
}
else
{
counterDescriptions = null;
}
return(result);
}
finally
{
Interop.HeapUtil.FreeAll();
}
}
