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Material editor: use a SafeHandle for texture swapping

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Exter-N 2023-08-31 20:05:39 +02:00
parent 0dbe9b59c2
commit 233a865c78
2 changed files with 59 additions and 26 deletions
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37
Penumbra/Interop/MaterialPreview/LiveColorSetPreviewer.cs
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@ -5,6 +5,7 @@ using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Client.Graphics.Kernel;
using FFXIVClientStructs.FFXIV.Client.Graphics.Render;
using Penumbra.GameData.Files;
using Penumbra.Interop.SafeHandles;
namespace Penumbra.Interop.MaterialPreview;
@ -16,8 +17,8 @@ public sealed unsafe class LiveColorSetPreviewer : LiveMaterialPreviewerBase
private readonly Framework _framework;
private readonly Texture** _colorSetTexture;
private readonly Texture* _originalColorSetTexture;
private readonly Texture** _colorSetTexture;
private readonly SafeTextureHandle _originalColorSetTexture;
private Half[] _colorSet;
private bool _updatePending;
@ -40,12 +41,10 @@ public sealed unsafe class LiveColorSetPreviewer : LiveMaterialPreviewerBase
_colorSetTexture = colorSetTextures + (MaterialInfo.ModelSlot * 4 + MaterialInfo.MaterialSlot);
_originalColorSetTexture = *_colorSetTexture;
_originalColorSetTexture = new SafeTextureHandle(*_colorSetTexture, true);
if (_originalColorSetTexture == null)
throw new InvalidOperationException("Material doesn't have a color set");
Structs.TextureUtility.IncRef(_originalColorSetTexture);
_colorSet = new Half[TextureLength];
_updatePending = true;
@ -59,15 +58,9 @@ public sealed unsafe class LiveColorSetPreviewer : LiveMaterialPreviewerBase
base.Clear(disposing, reset);
if (reset)
{
var oldTexture = (Texture*)Interlocked.Exchange(ref *(nint*)_colorSetTexture, (nint)_originalColorSetTexture);
if (oldTexture != null)
Structs.TextureUtility.DecRef(oldTexture);
}
else
{
Structs.TextureUtility.DecRef(_originalColorSetTexture);
}
_originalColorSetTexture.Exchange(ref *(nint*)_colorSetTexture);
_originalColorSetTexture.Dispose();
}
public void ScheduleUpdate()
@ -89,8 +82,8 @@ public sealed unsafe class LiveColorSetPreviewer : LiveMaterialPreviewerBase
textureSize[0] = TextureWidth;
textureSize[1] = TextureHeight;
var newTexture = Structs.TextureUtility.Create2D(Device.Instance(), textureSize, 1, 0x2460, 0x80000804, 7);
if (newTexture == null)
using var texture = new SafeTextureHandle(Structs.TextureUtility.Create2D(Device.Instance(), textureSize, 1, 0x2460, 0x80000804, 7), false);
if (texture.IsInvalid)
return;
bool success;
@ -98,20 +91,12 @@ public sealed unsafe class LiveColorSetPreviewer : LiveMaterialPreviewerBase
{
fixed (Half* colorSet = _colorSet)
{
success = Structs.TextureUtility.InitializeContents(newTexture, colorSet);
success = Structs.TextureUtility.InitializeContents(texture.Texture, colorSet);
}
}
if (success)
{
var oldTexture = (Texture*)Interlocked.Exchange(ref *(nint*)_colorSetTexture, (nint)newTexture);
if (oldTexture != null)
Structs.TextureUtility.DecRef(oldTexture);
}
else
{
Structs.TextureUtility.DecRef(newTexture);
}
texture.Exchange(ref *(nint*)_colorSetTexture);
}
protected override bool IsStillValid()

48
Penumbra/Interop/SafeHandles/SafeTextureHandle.cs Normal file
View file

@ -0,0 +1,48 @@
using System;
using System.Runtime.InteropServices;
using System.Threading;
using FFXIVClientStructs.FFXIV.Client.Graphics.Render;
using Penumbra.Interop.Structs;
namespace Penumbra.Interop.SafeHandles;
public unsafe class SafeTextureHandle : SafeHandle
{
public Texture* Texture => (Texture*)handle;
public override bool IsInvalid => handle == 0;
public SafeTextureHandle(Texture* handle, bool incRef, bool ownsHandle = true) : base(0, ownsHandle)
{
if (incRef && !ownsHandle)
throw new ArgumentException("Non-owning SafeTextureHandle with IncRef is unsupported");
if (incRef && handle != null)
TextureUtility.IncRef(handle);
SetHandle((nint)handle);
}
public void Exchange(ref nint ppTexture)
{
lock (this)
{
handle = Interlocked.Exchange(ref ppTexture, handle);
}
}
public static SafeTextureHandle CreateInvalid()
=> new(null, incRef: false);
protected override bool ReleaseHandle()
{
nint handle;
lock (this)
{
handle = this.handle;
this.handle = 0;
}
if (handle != 0)
TextureUtility.DecRef((Texture*)handle);
return true;
}
}