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using Ryujinx.Common.Memory;
using Silk.NET.Vulkan;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
namespace Ryujinx.Graphics.Vulkan
{
struct PipelineUid : IRefEquatable<PipelineUid>
{
public ulong Id0;
public ulong Id1;
public ulong Id2;
public ulong Id3;
public ulong Id4;
public ulong Id5;
public ulong Id6;
public ulong Id7;
public ulong Id8;
public ulong Id9;
private uint VertexAttributeDescriptionsCount => (byte)((Id6 >> 38) & 0xFF);
private uint VertexBindingDescriptionsCount => (byte)((Id6 >> 46) & 0xFF);
private uint ViewportsCount => (byte)((Id6 >> 54) & 0xFF);
private uint ScissorsCount => (byte)((Id7 >> 0) & 0xFF);
private uint ColorBlendAttachmentStateCount => (byte)((Id7 >> 8) & 0xFF);
private bool HasDepthStencil => ((Id7 >> 63) & 0x1) != 0UL;
public Array32<VertexInputAttributeDescription> VertexAttributeDescriptions;
public Array33<VertexInputBindingDescription> VertexBindingDescriptions;
public Array16<Viewport> Viewports;
public Array16<Rect2D> Scissors;
public Array8<PipelineColorBlendAttachmentState> ColorBlendAttachmentState;
public Array9<Format> AttachmentFormats;
public override bool Equals(object obj)
{
return obj is PipelineUid other && Equals(other);
}
public bool Equals(ref PipelineUid other)
{
if (!Unsafe.As<ulong, Vector256<byte>>(ref Id0).Equals(Unsafe.As<ulong, Vector256<byte>>(ref other.Id0)) ||
!Unsafe.As<ulong, Vector256<byte>>(ref Id4).Equals(Unsafe.As<ulong, Vector256<byte>>(ref other.Id4)) ||
!Unsafe.As<ulong, Vector128<byte>>(ref Id8).Equals(Unsafe.As<ulong, Vector128<byte>>(ref other.Id8)))
{
return false;
}
if (!SequenceEqual<VertexInputAttributeDescription>(VertexAttributeDescriptions.AsSpan(), other.VertexAttributeDescriptions.AsSpan(), VertexAttributeDescriptionsCount))
{
return false;
}
if (!SequenceEqual<VertexInputBindingDescription>(VertexBindingDescriptions.AsSpan(), other.VertexBindingDescriptions.AsSpan(), VertexBindingDescriptionsCount))
{
return false;
}
if (!SequenceEqual<PipelineColorBlendAttachmentState>(ColorBlendAttachmentState.AsSpan(), other.ColorBlendAttachmentState.AsSpan(), ColorBlendAttachmentStateCount))
{
return false;
}
if (!SequenceEqual<Format>(AttachmentFormats.AsSpan(), other.AttachmentFormats.AsSpan(), ColorBlendAttachmentStateCount + (HasDepthStencil ? 1u : 0u)))
{
return false;
}
return true;
}
private static bool SequenceEqual<T>(ReadOnlySpan<T> x, ReadOnlySpan<T> y, uint count) where T : unmanaged
{
return MemoryMarshal.Cast<T, byte>(x.Slice(0, (int)count)).SequenceEqual(MemoryMarshal.Cast<T, byte>(y.Slice(0, (int)count)));
}
public override int GetHashCode()
{
ulong hash64 = Id0 * 23 ^
Id1 * 23 ^
Id2 * 23 ^
Id3 * 23 ^
Id4 * 23 ^
Id5 * 23 ^
Id6 * 23 ^
Id7 * 23 ^
Id8 * 23 ^
Id9 * 23;
for (int i = 0; i < (int)VertexAttributeDescriptionsCount; i++)
{
hash64 ^= VertexAttributeDescriptions[i].Binding * 23;
hash64 ^= (uint)VertexAttributeDescriptions[i].Format * 23;
hash64 ^= VertexAttributeDescriptions[i].Location * 23;
hash64 ^= VertexAttributeDescriptions[i].Offset * 23;
}
for (int i = 0; i < (int)VertexBindingDescriptionsCount; i++)
{
hash64 ^= VertexBindingDescriptions[i].Binding * 23;
hash64 ^= (uint)VertexBindingDescriptions[i].InputRate * 23;
hash64 ^= VertexBindingDescriptions[i].Stride * 23;
}
for (int i = 0; i < (int)ColorBlendAttachmentStateCount; i++)
{
hash64 ^= ColorBlendAttachmentState[i].BlendEnable * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].SrcColorBlendFactor * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].DstColorBlendFactor * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].ColorBlendOp * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].SrcAlphaBlendFactor * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].DstAlphaBlendFactor * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].AlphaBlendOp * 23;
hash64 ^= (uint)ColorBlendAttachmentState[i].ColorWriteMask * 23;
}
for (int i = 0; i < (int)ColorBlendAttachmentStateCount; i++)
{
hash64 ^= (uint)AttachmentFormats[i] * 23;
}
return (int)hash64 ^ ((int)(hash64 >> 32) * 17);
}
}
}
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