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Use a descriptor cache for faster pool invalidation. (#1977)

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* Use a descriptor cache for faster pool invalidation.

* Speed up comparison by casting to Vector256

Now we never need to worry about this ever again
This commit is contained in:
riperiperi 2021-01-29 03:19:06 +00:00 committed by GitHub
parent 9eb0ab05c6
commit c30504e3b3
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 60 additions and 22 deletions
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26
Ryujinx.Graphics.Gpu/Image/Pool.cs
View file

@ -8,14 +8,16 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <summary>
/// Represents a pool of GPU resources, such as samplers or textures.
/// </summary>
/// <typeparam name="T">Type of the GPU resource</typeparam>
abstract class Pool<T> : IDisposable
/// <typeparam name="T1">Type of the GPU resource</typeparam>
/// <typeparam name="T2">Type of the descriptor</typeparam>
abstract class Pool<T1, T2> : IDisposable where T2 : unmanaged
{
protected const int DescriptorSize = 0x20;
protected GpuContext Context;
protected T[] Items;
protected T1[] Items;
protected T2[] DescriptorCache;
/// <summary>
/// The maximum ID value of resources on the pool (inclusive).
@ -47,7 +49,8 @@ namespace Ryujinx.Graphics.Gpu.Image
ulong size = (ulong)(uint)count * DescriptorSize;
Items = new T[count];
Items = new T1[count];
DescriptorCache = new T2[count];
Address = address;
Size = size;
@ -56,12 +59,23 @@ namespace Ryujinx.Graphics.Gpu.Image
_modifiedDelegate = RegionModified;
}
/// <summary>
/// Gets the descriptor for a given ID.
/// </summary>
/// <param name="id">ID of the descriptor. This is effectively a zero-based index</param>
/// <returns>The descriptor</returns>
public T2 GetDescriptor(int id)
{
return Context.PhysicalMemory.Read<T2>(Address + (ulong)id * DescriptorSize);
}
/// <summary>
/// Gets the GPU resource with the given ID.
/// </summary>
/// <param name="id">ID of the resource. This is effectively a zero-based index</param>
/// <returns>The GPU resource with the given ID</returns>
public abstract T Get(int id);
public abstract T1 Get(int id);
/// <summary>
/// Synchronizes host memory with guest memory.
@ -97,7 +111,7 @@ namespace Ryujinx.Graphics.Gpu.Image
protected abstract void InvalidateRangeImpl(ulong address, ulong size);
protected abstract void Delete(T item);
protected abstract void Delete(T1 item);
/// <summary>
/// Performs the disposal of all resources stored on the pool.

12
Ryujinx.Graphics.Gpu/Image/SamplerDescriptor.cs
View file

@ -1,4 +1,6 @@
using Ryujinx.Graphics.GAL;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
namespace Ryujinx.Graphics.Gpu.Image
{
@ -244,5 +246,15 @@ namespace Ryujinx.Graphics.Gpu.Image
{
return ((Word2 >> 12) & 0xfff) * Frac8ToF32;
}
/// <summary>
/// Check if two descriptors are equal.
/// </summary>
/// <param name="other">The descriptor to compare against</param>
/// <returns>True if they are equal, false otherwise</returns>
public bool Equals(ref SamplerDescriptor other)
{
return Unsafe.As<SamplerDescriptor, Vector256<byte>>(ref this).Equals(Unsafe.As<SamplerDescriptor, Vector256<byte>>(ref other));
}
}
}

14
Ryujinx.Graphics.Gpu/Image/SamplerPool.cs
View file

@ -3,7 +3,7 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <summary>
/// Sampler pool.
/// </summary>
class SamplerPool : Pool<Sampler>
class SamplerPool : Pool<Sampler, SamplerDescriptor>
{
private int _sequenceNumber;
@ -38,11 +38,13 @@ namespace Ryujinx.Graphics.Gpu.Image
if (sampler == null)
{
SamplerDescriptor descriptor = Context.PhysicalMemory.Read<SamplerDescriptor>(Address + (ulong)id * DescriptorSize);
SamplerDescriptor descriptor = GetDescriptor(id);
sampler = new Sampler(Context, descriptor);
Items[id] = sampler;
DescriptorCache[id] = descriptor;
}
return sampler;
@ -65,6 +67,14 @@ namespace Ryujinx.Graphics.Gpu.Image
if (sampler != null)
{
SamplerDescriptor descriptor = GetDescriptor(id);
// If the descriptors are the same, the sampler is still valid.
if (descriptor.Equals(ref DescriptorCache[id]))
{
continue;
}
sampler.Dispose();
Items[id] = null;

12
Ryujinx.Graphics.Gpu/Image/TextureDescriptor.cs
View file

@ -1,4 +1,6 @@
using Ryujinx.Graphics.Gpu.Shader.Cache.Definition;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
namespace Ryujinx.Graphics.Gpu.Image
{
@ -248,5 +250,15 @@ namespace Ryujinx.Graphics.Gpu.Image
return result;
}
/// <summary>
/// Check if two descriptors are equal.
/// </summary>
/// <param name="other">The descriptor to compare against</param>
/// <returns>True if they are equal, false otherwise</returns>
public bool Equals(ref TextureDescriptor other)
{
return Unsafe.As<TextureDescriptor, Vector256<byte>>(ref this).Equals(Unsafe.As<TextureDescriptor, Vector256<byte>>(ref other));
}
}
}

18
Ryujinx.Graphics.Gpu/Image/TexturePool.cs
View file

@ -1,6 +1,5 @@
using Ryujinx.Common.Logging;
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Texture;
using System;
using System.Collections.Generic;
@ -10,7 +9,7 @@ namespace Ryujinx.Graphics.Gpu.Image
/// <summary>
/// Texture pool.
/// </summary>
class TexturePool : Pool<Texture>
class TexturePool : Pool<Texture, TextureDescriptor>
{
private int _sequenceNumber;
@ -65,6 +64,8 @@ namespace Ryujinx.Graphics.Gpu.Image
texture.IncrementReferenceCount();
Items[id] = texture;
DescriptorCache[id] = descriptor;
}
else
{
@ -91,16 +92,6 @@ namespace Ryujinx.Graphics.Gpu.Image
return texture;
}
/// <summary>
/// Gets the texture descriptor from a given texture ID.
/// </summary>
/// <param name="id">ID of the texture. This is effectively a zero-based index</param>
/// <returns>The texture descriptor</returns>
public TextureDescriptor GetDescriptor(int id)
{
return Context.PhysicalMemory.Read<TextureDescriptor>(Address + (ulong)id * DescriptorSize);
}
/// <summary>
/// Implementation of the texture pool range invalidation.
/// </summary>
@ -122,8 +113,7 @@ namespace Ryujinx.Graphics.Gpu.Image
// If the descriptors are the same, the texture is the same,
// we don't need to remove as it was not modified. Just continue.
if (texture.Info.GpuAddress == descriptor.UnpackAddress() &&
texture.IsExactMatch(GetInfo(descriptor, out _), TextureSearchFlags.Strict) != TextureMatchQuality.NoMatch)
if (descriptor.Equals(ref DescriptorCache[id]))
{
continue;
}