Agent/fix gen5 thread agc compat (#130)

* Fix Gen5 thread and AGC compatibility

* Trim compatibility comments

* Report selected Vulkan GPU

* Clean up CPU title label

* Improve emulator frame pacing and performance

* Regenerate package locks with pinned SDK

---------

Co-authored-by: Spooks4576 <Spooks4576@users.noreply.github.com>
This commit is contained in:
Spooks
2026-07-14 05:41:42 -06:00
committed by GitHub
parent cf6964710a
commit d43edc865a
24 changed files with 1318 additions and 229 deletions
+119 -36
View File
@@ -48,54 +48,106 @@ public static class VideoOutExports
private static readonly Dictionary<int, VideoOutPortState> _ports = new();
// Hardware raises vblank autonomously; UE blocks its frame loop on it.
private static Timer? _vblankPumpTimer;
private static int _vblankPumpActive;
private const int VblankPumpIntervalMs = 16;
private const double VblankHz = 60.0;
private const int VblankWaitTimeoutMilliseconds = 100;
private static Thread? _vblankPumpThread;
private static int _vblankPumpStarted;
private static readonly object _vblankEdgeGate = new();
private static ulong _vblankEdgeSequence;
private static long _vblankMissedEdges;
private static void EnsureVblankPumpStarted()
{
if (_vblankPumpTimer is not null)
if (Interlocked.Exchange(ref _vblankPumpStarted, 1) != 0)
{
return;
}
_vblankPumpTimer = new Timer(
static _ => PumpVblanks(),
null,
VblankPumpIntervalMs,
VblankPumpIntervalMs);
HostTimerResolution.Request();
_vblankPumpThread = new Thread(VblankPumpLoop)
{
IsBackground = true,
Name = "SharpEmu VideoOut vblank",
Priority = ThreadPriority.AboveNormal,
};
_vblankPumpThread.Start();
}
private static void VblankPumpLoop()
{
var intervalTicks = Math.Max(1L, (long)(Stopwatch.Frequency / VblankHz));
var nextEdge = Stopwatch.GetTimestamp() + intervalTicks;
while (true)
{
WaitUntilTimestamp(nextEdge);
PumpVblanks();
nextEdge += intervalTicks;
var now = Stopwatch.GetTimestamp();
if (nextEdge < now)
{
var missed = (now - nextEdge) / intervalTicks + 1;
Interlocked.Add(ref _vblankMissedEdges, missed);
nextEdge = now + intervalTicks;
}
}
}
private static void WaitUntilTimestamp(long deadlineTicks)
{
var spinThresholdTicks = Stopwatch.Frequency * 2L / 1000L;
while (true)
{
var remaining = deadlineTicks - Stopwatch.GetTimestamp();
if (remaining <= 0)
{
return;
}
if (remaining > spinThresholdTicks)
{
var sleepMilliseconds =
(int)((remaining - spinThresholdTicks) * 1000L / Stopwatch.Frequency);
if (sleepMilliseconds > 0)
{
Thread.Sleep(sleepMilliseconds);
continue;
}
}
Thread.SpinWait(64);
}
}
private static void PumpVblanks()
{
if (Interlocked.Exchange(ref _vblankPumpActive, 1) != 0)
lock (_vblankEdgeGate)
{
return;
_vblankEdgeSequence++;
Monitor.PulseAll(_vblankEdgeGate);
}
try
VideoOutPortState[] ports;
lock (_stateGate)
{
VideoOutPortState[] ports;
lock (_stateGate)
if (_ports.Count == 0)
{
if (_ports.Count == 0)
{
return;
}
// Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
// flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
return;
}
foreach (var port in ports)
{
SignalVblank(port);
}
// Signalling reaches WakeBlockedThreads -> Pump(), which serialises on one global
// flag. Waking an unwatched queue would hold it 60x/sec and starve guest threads.
ports = _ports.Values.Where(static port => port.VblankEvents.Count != 0).ToArray();
}
finally
foreach (var port in ports)
{
Volatile.Write(ref _vblankPumpActive, 0);
SignalVblank(port);
}
}
@@ -103,6 +155,7 @@ public static class VideoOutExports
private static int _nextHandle = 1;
private static int _frameDumpCount;
private static long _nextFrameDumpIndex;
private static string _windowTitleBase = "SharpEmu VideoOut";
private static string _windowTitle = "SharpEmu VideoOut";
private static readonly bool _logFrameRate = string.Equals(
Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_FPS"),
@@ -112,6 +165,10 @@ public static class VideoOutExports
Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIDEOOUT_SYNC"),
"1",
StringComparison.Ordinal);
private static readonly bool _dumpVideoOut = string.Equals(
Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
"1",
StringComparison.Ordinal);
private static long _frameRateWindowStart = Stopwatch.GetTimestamp();
private static long _submittedFrameCount;
private static long _presentedFrameCount;
@@ -134,10 +191,24 @@ public static class VideoOutExports
var application = parts.Count == 0 ? "VideoOut" : string.Join(' ', parts);
var versionSuffix = string.IsNullOrWhiteSpace(version) ? string.Empty : $" v{version.Trim()}";
var commitSuffix = string.IsNullOrWhiteSpace(emulatorCommitSha) ? string.Empty : $" \u00b7 {emulatorCommitSha.Trim()}";
var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName} \u00b7 {HostSystemInfo.GpuName}";
var hardwareSuffix = $" \u00b7 {HostSystemInfo.CpuName}";
lock (_stateGate)
{
_windowTitle = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
_windowTitleBase = $"SharpEmu{commitSuffix} - {application}{versionSuffix}{hardwareSuffix}";
_windowTitle = $"{_windowTitleBase} \u00b7 {HostSystemInfo.GpuName}";
}
}
internal static void SetSelectedGpuName(string gpuName)
{
if (string.IsNullOrWhiteSpace(gpuName))
{
return;
}
lock (_stateGate)
{
_windowTitle = $"{_windowTitleBase} \u00b7 {gpuName.Trim()}";
}
}
@@ -376,7 +447,20 @@ public static class VideoOutExports
return OrbisVideoOutErrorInvalidHandle;
}
Thread.Sleep(1);
EnsureVblankPumpStarted();
lock (_vblankEdgeGate)
{
var entryEdge = _vblankEdgeSequence;
while (_vblankEdgeSequence == entryEdge)
{
if (!Monitor.Wait(_vblankEdgeGate, VblankWaitTimeoutMilliseconds))
{
break;
}
}
}
SignalVblank(port);
return (int)OrbisGen2Result.ORBIS_GEN2_OK;
@@ -987,10 +1071,7 @@ public static class VideoOutExports
displayBuffer.PitchInPixel);
}
if (string.Equals(
Environment.GetEnvironmentVariable("SHARPEMU_DUMP_VIDEOOUT"),
"1",
StringComparison.Ordinal))
if (_dumpVideoOut)
{
_ = TryDumpFrame(ctx, port, bufferIndex, flipMode, flipArg);
}
@@ -1050,9 +1131,11 @@ public static class VideoOutExports
var elapsedSeconds = (double)elapsedTicks / Stopwatch.Frequency;
var submitted = Interlocked.Exchange(ref _submittedFrameCount, 0);
var presentedCount = Interlocked.Exchange(ref _presentedFrameCount, 0);
var missedEdges = Interlocked.Exchange(ref _vblankMissedEdges, 0);
Console.Error.WriteLine(
$"[LOADER][PERF] videoout submitted_fps={submitted / elapsedSeconds:F1} " +
$"presented_fps={presentedCount / elapsedSeconds:F1}");
$"presented_fps={presentedCount / elapsedSeconds:F1} " +
$"vblank_missed={missedEdges}");
}
private static int RegisterBufferRange(VideoOutPortState port, int startIndex, ReadOnlySpan<ulong> addresses, BufferAttribute attribute, int requestedGroupIndex = -1)
@@ -11,6 +11,7 @@ using Silk.NET.Vulkan.Extensions.EXT;
using Silk.NET.Windowing;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using VkBuffer = Silk.NET.Vulkan.Buffer;
@@ -600,7 +601,8 @@ internal static unsafe class VulkanVideoPresenter
var traceSubmission = false;
lock (_gate)
{
var known = _availableGuestImages.ContainsKey(address);
// VideoOut registration does not imply a rendered Vulkan image.
var known = _gpuGuestImages.ContainsKey(address);
if (ShouldTracePresentedGuestImageContentsForDiagnostics())
{
Console.Error.WriteLine(
@@ -622,7 +624,7 @@ internal static unsafe class VulkanVideoPresenter
{
Console.Error.WriteLine(
$"[LOADER][WARN] vk.submit_guest_image_unknown addr=0x{address:X16} " +
$"{width}x{height} - flip target was never registered as a render output");
$"{width}x{height} - flip target has no completed GPU render output");
}
return false;
@@ -933,6 +935,8 @@ internal static unsafe class VulkanVideoPresenter
private ExtDebugUtils? _debugUtils;
private PhysicalDevice _physicalDevice;
private Device _device;
private PipelineCache _pipelineCache;
private string? _pipelineCachePath;
private Queue _queue;
private uint _queueFamilyIndex;
private SwapchainKHR _swapchain;
@@ -950,6 +954,9 @@ internal static unsafe class VulkanVideoPresenter
private CommandBuffer _presentationCommandBuffer;
private VkSemaphore _imageAvailable;
private VkSemaphore _renderFinished;
private Fence _presentationFence;
private bool _presentationInFlight;
private TranslatedDrawResources? _pendingPresentationResources;
private VkBuffer _stagingBuffer;
private DeviceMemory _stagingMemory;
private ulong _stagingSize;
@@ -966,6 +973,10 @@ internal static unsafe class VulkanVideoPresenter
private int _directPresentationCount;
private readonly Dictionary<ulong, GuestImageResource> _guestImages = new();
private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureCacheHits = new();
private static readonly bool _dumpTextures = string.Equals(
Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
"1",
StringComparison.Ordinal);
private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureUploads = new();
private readonly HashSet<(ulong Address, uint Width, uint Height, uint Format)> _dumpedTextures = new();
private readonly HashSet<(ulong Address, int Size)> _tracedGlobalBuffers = new();
@@ -988,7 +999,7 @@ internal static unsafe class VulkanVideoPresenter
private readonly record struct GraphicsPipelineKey(
string VertexShader,
string FragmentShader,
ulong RenderPass,
Format RenderTargetFormat,
PrimitiveTopology Topology,
VulkanGuestBlendState Blend,
string ResourceLayout,
@@ -1150,6 +1161,7 @@ internal static unsafe class VulkanVideoPresenter
CreateSurface();
SelectPhysicalDevice();
CreateDevice();
CreatePipelineCache();
CreateSwapchain();
CreateCommandResources();
CreateGuestDrawResources();
@@ -1559,8 +1571,11 @@ internal static unsafe class VulkanVideoPresenter
}
_vk.GetPhysicalDeviceProperties(_physicalDevice, out var selected);
var selectedName = SilkMarshal.PtrToString((nint)selected.DeviceName) ?? "unknown";
Console.Error.WriteLine(
$"[LOADER][INFO] Vulkan device: {SilkMarshal.PtrToString((nint)selected.DeviceName)} ({selected.DeviceType})");
$"[LOADER][INFO] Vulkan device: {selectedName} ({selected.DeviceType})");
VideoOutExports.SetSelectedGpuName(selectedName);
_window.Title = VideoOutExports.GetWindowTitle();
}
private static int ScorePhysicalDevice(
@@ -1743,6 +1758,110 @@ internal static unsafe class VulkanVideoPresenter
}
}
private void CreatePipelineCache()
{
_vk.GetPhysicalDeviceProperties(_physicalDevice, out var properties);
var directory = Path.Combine(AppContext.BaseDirectory, "pipeline-cache");
_pipelineCachePath = Path.Combine(
directory,
$"vulkan-{properties.VendorID:X4}-{properties.DeviceID:X4}-{properties.DriverVersion:X8}.bin");
byte[] initialData = [];
try
{
if (File.Exists(_pipelineCachePath))
{
initialData = File.ReadAllBytes(_pipelineCachePath);
}
}
catch (IOException exception)
{
Console.Error.WriteLine(
$"[LOADER][WARN] Vulkan pipeline cache could not be read: {exception.Message}");
}
fixed (byte* initialDataPointer = initialData)
{
var createInfo = new PipelineCacheCreateInfo
{
SType = StructureType.PipelineCacheCreateInfo,
InitialDataSize = (nuint)initialData.Length,
PInitialData = initialData.Length == 0 ? null : initialDataPointer,
};
var result = _vk.CreatePipelineCache(
_device,
&createInfo,
null,
out _pipelineCache);
if (result != Result.Success && initialData.Length != 0)
{
createInfo.InitialDataSize = 0;
createInfo.PInitialData = null;
Check(
_vk.CreatePipelineCache(
_device,
&createInfo,
null,
out _pipelineCache),
"vkCreatePipelineCache(empty)");
initialData = [];
}
else
{
Check(result, "vkCreatePipelineCache");
}
}
Console.Error.WriteLine(
$"[LOADER][INFO] Vulkan pipeline cache: " +
$"{(initialData.Length == 0 ? "new" : $"loaded {initialData.Length} bytes")}");
}
private void SavePipelineCache()
{
if (_pipelineCache.Handle == 0 || string.IsNullOrWhiteSpace(_pipelineCachePath))
{
return;
}
try
{
nuint size = 0;
Check(
_vk.GetPipelineCacheData(_device, _pipelineCache, &size, null),
"vkGetPipelineCacheData(size)");
if (size == 0 || size > int.MaxValue)
{
return;
}
var data = new byte[(int)size];
fixed (byte* dataPointer = data)
{
Check(
_vk.GetPipelineCacheData(
_device,
_pipelineCache,
&size,
dataPointer),
"vkGetPipelineCacheData");
}
var directory = Path.GetDirectoryName(_pipelineCachePath);
if (!string.IsNullOrWhiteSpace(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllBytes(_pipelineCachePath, data.AsSpan(0, (int)size).ToArray());
}
catch (Exception exception) when (
exception is IOException or UnauthorizedAccessException or InvalidOperationException)
{
Console.Error.WriteLine(
$"[LOADER][WARN] Vulkan pipeline cache could not be saved: {exception.Message}");
}
}
private void CreateSwapchain()
{
Check(
@@ -1835,9 +1954,44 @@ internal static unsafe class VulkanVideoPresenter
Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _imageAvailable), "vkCreateSemaphore");
Check(_vk.CreateSemaphore(_device, &semaphoreInfo, null, out _renderFinished), "vkCreateSemaphore");
var fenceInfo = new FenceCreateInfo
{
SType = StructureType.FenceCreateInfo,
};
Check(
_vk.CreateFence(_device, &fenceInfo, null, out _presentationFence),
"vkCreateFence(presentation)");
CreateStagingBuffer((ulong)_extent.Width * _extent.Height * 4);
}
private void CompletePendingPresentation(bool wait)
{
if (!_presentationInFlight)
{
return;
}
var fence = _presentationFence;
var result = wait
? _vk.WaitForFences(_device, 1, &fence, true, ulong.MaxValue)
: _vk.GetFenceStatus(_device, fence);
if (!wait && result == Result.NotReady)
{
return;
}
Check(result, "vkWaitForFences(presentation)");
_presentationInFlight = false;
if (_pendingPresentationResources is not null)
{
MarkSampledImagesInitialized(_pendingPresentationResources);
MarkStorageImagesInitialized(_pendingPresentationResources);
DestroyTranslatedDrawResources(_pendingPresentationResources);
_pendingPresentationResources = null;
}
}
private CommandBuffer AllocateGuestCommandBuffer()
{
var allocateInfo = new CommandBufferAllocateInfo
@@ -2184,7 +2338,7 @@ internal static unsafe class VulkanVideoPresenter
Check(
_vk.CreateGraphicsPipelines(
_device,
default,
_pipelineCache,
1,
&pipelineInfo,
null,
@@ -2219,6 +2373,7 @@ internal static unsafe class VulkanVideoPresenter
private TranslatedDrawResources CreateTranslatedDrawResources(
VulkanTranslatedGuestDraw draw,
RenderPass renderPass,
Format renderTargetFormat,
Extent2D extent)
{
var vertexSpirv = draw.VertexSpirv;
@@ -2285,7 +2440,13 @@ internal static unsafe class VulkanVideoPresenter
CreateTranslatedDescriptorResources(
resources,
ShaderStageFlags.VertexBit | ShaderStageFlags.FragmentBit);
CreateTranslatedPipeline(resources, vertexSpirv, draw.PixelSpirv, renderPass, extent);
CreateTranslatedPipeline(
resources,
vertexSpirv,
draw.PixelSpirv,
renderPass,
renderTargetFormat,
extent);
return resources;
}
catch
@@ -2581,12 +2742,13 @@ internal static unsafe class VulkanVideoPresenter
byte[] vertexSpirv,
byte[] fragmentSpirv,
RenderPass renderPass,
Format renderTargetFormat,
Extent2D extent)
{
var pipelineKey = new GraphicsPipelineKey(
GetShaderDigest(vertexSpirv),
GetShaderDigest(fragmentSpirv),
renderPass.Handle,
renderTargetFormat,
resources.Topology,
resources.Blend,
GetResourceLayoutKey(resources),
@@ -2742,7 +2904,7 @@ internal static unsafe class VulkanVideoPresenter
Check(
_vk.CreateGraphicsPipelines(
_device,
default,
_pipelineCache,
1,
&pipelineInfo,
null,
@@ -2922,7 +3084,7 @@ internal static unsafe class VulkanVideoPresenter
Check(
_vk.CreateComputePipelines(
_device,
default,
_pipelineCache,
1,
&pipelineInfo,
null,
@@ -3448,11 +3610,36 @@ internal static unsafe class VulkanVideoPresenter
{
const ulong offsetBasis = 14695981039346656037;
const ulong prime = 1099511628211;
var hash = offsetBasis;
foreach (var value in pixels)
var h0 = offsetBasis ^ (ulong)pixels.Length;
var h1 = offsetBasis;
var h2 = offsetBasis;
var h3 = offsetBasis;
var words = MemoryMarshal.Cast<byte, ulong>(pixels);
var index = 0;
var blockEnd = words.Length - (words.Length & 3);
for (; index < blockEnd; index += 4)
{
hash ^= value;
hash *= prime;
h0 = (h0 ^ words[index]) * prime;
h1 = (h1 ^ words[index + 1]) * prime;
h2 = (h2 ^ words[index + 2]) * prime;
h3 = (h3 ^ words[index + 3]) * prime;
}
for (; index < words.Length; index++)
{
h0 = (h0 ^ words[index]) * prime;
}
var hash = h0;
hash = (hash ^ h1) * prime;
hash = (hash ^ h2) * prime;
hash = (hash ^ h3) * prime;
foreach (var value in pixels[(words.Length * sizeof(ulong))..])
{
hash = (hash ^ value) * prime;
}
return hash;
@@ -3465,10 +3652,7 @@ internal static unsafe class VulkanVideoPresenter
uint width,
uint height)
{
if (!string.Equals(
Environment.GetEnvironmentVariable("SHARPEMU_DUMP_TEXTURES"),
"1",
StringComparison.Ordinal) ||
if (!_dumpTextures ||
texture.IsFallback ||
texture.IsStorage ||
GetTextureBytesPerPixel(texture.Format) != 4 ||
@@ -4489,6 +4673,7 @@ internal static unsafe class VulkanVideoPresenter
resources = CreateTranslatedDrawResources(
work.Draw,
target.RenderPass,
target.Format,
extent);
resources.DebugName =
$"SharpEmu offscreen rt=0x{work.Target.Address:X16} " +
@@ -5125,6 +5310,8 @@ internal static unsafe class VulkanVideoPresenter
return;
}
CompletePendingPresentation(wait: true);
byte[]? pixels = null;
if (presentation.Pixels is { } sourcePixels)
{
@@ -5172,6 +5359,7 @@ internal static unsafe class VulkanVideoPresenter
translatedResources = CreateTranslatedDrawResources(
translatedDraw,
_renderPass,
_swapchainFormat,
_extent);
if (ShouldTracePresentedGuestImageContentsForDiagnostics() &&
!_firstGuestDrawPresented)
@@ -5303,7 +5491,16 @@ internal static unsafe class VulkanVideoPresenter
SignalSemaphoreCount = 1,
PSignalSemaphores = &renderFinished,
};
Check(_vk.QueueSubmit(_queue, 1, &submitInfo, default), "vkQueueSubmit");
var presentationFence = _presentationFence;
Check(
_vk.ResetFences(_device, 1, &presentationFence),
"vkResetFences(presentation)");
Check(
_vk.QueueSubmit(_queue, 1, &submitInfo, presentationFence),
"vkQueueSubmit");
_presentationInFlight = true;
_pendingPresentationResources = translatedResources;
translatedResources = null;
var swapchain = _swapchain;
var presentInfo = new PresentInfoKHR
@@ -5319,6 +5516,7 @@ internal static unsafe class VulkanVideoPresenter
if (presentResult == Result.ErrorOutOfDateKhr)
{
Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
CompletePendingPresentation(wait: false);
CollectCompletedGuestSubmissions(waitForOldest: false);
if (translatedResources is not null)
{
@@ -5331,19 +5529,13 @@ internal static unsafe class VulkanVideoPresenter
CheckSwapchainResult(presentResult, "vkQueuePresentKHR");
recreateAfterPresent |= presentResult == Result.SuboptimalKhr;
Check(_vk.QueueWaitIdle(_queue), "vkQueueWaitIdle");
VideoOutExports.ReportPresentedFrame();
if (_swapchainReadbackPending)
{
CompletePendingPresentation(wait: true);
TraceSwapchainReadback();
}
CollectCompletedGuestSubmissions(waitForOldest: false);
if (translatedResources is not null)
{
MarkSampledImagesInitialized(translatedResources);
MarkStorageImagesInitialized(translatedResources);
DestroyTranslatedDrawResources(translatedResources);
}
_imageInitialized[imageIndex] = true;
_presentedSequence = presentation.Sequence;
@@ -6597,7 +6789,9 @@ internal static unsafe class VulkanVideoPresenter
}
_vulkanReady = false;
_vk.DeviceWaitIdle(_device);
CompletePendingPresentation(wait: false);
CollectCompletedGuestSubmissions(waitForOldest: false);
SavePipelineCache();
foreach (var pipeline in _computePipelines.Values)
{
_vk.DestroyPipeline(_device, pipeline, null);
@@ -6608,6 +6802,11 @@ internal static unsafe class VulkanVideoPresenter
_vk.DestroyPipeline(_device, pipeline, null);
}
_graphicsPipelines.Clear();
if (_pipelineCache.Handle != 0)
{
_vk.DestroyPipelineCache(_device, _pipelineCache, null);
_pipelineCache = default;
}
foreach (var layout in _descriptorLayouts.Values)
{
_vk.DestroyPipelineLayout(_device, layout.PipelineLayout, null);
@@ -6699,6 +6898,7 @@ internal static unsafe class VulkanVideoPresenter
Console.Error.WriteLine(
$"[LOADER][INFO] Vulkan VideoOut recreating swapchain after {operation}: {result}");
_vk.DeviceWaitIdle(_device);
CompletePendingPresentation(wait: false);
CollectCompletedGuestSubmissions(waitForOldest: false);
DestroySwapchainResources();
CreateSwapchain();
@@ -6732,6 +6932,11 @@ internal static unsafe class VulkanVideoPresenter
_vk.DestroySemaphore(_device, _renderFinished, null);
_renderFinished = default;
}
if (_presentationFence.Handle != 0)
{
_vk.DestroyFence(_device, _presentationFence, null);
_presentationFence = default;
}
if (_barycentricPipeline.Handle != 0)
{
_vk.DestroyPipeline(_device, _barycentricPipeline, null);