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using System;
using System.Collections.ObjectModel;
namespace Ryujinx.Graphics.GAL
{
public enum ResourceType : byte
{
UniformBuffer,
StorageBuffer,
Texture,
Sampler,
TextureAndSampler,
Image,
BufferTexture,
BufferImage
}
public enum ResourceAccess : byte
{
None = 0,
Read = 1,
Write = 2,
ReadWrite = Read | Write
}
[Flags]
public enum ResourceStages : byte
{
None = 0,
Compute = 1 << 0,
Vertex = 1 << 1,
TessellationControl = 1 << 2,
TessellationEvaluation = 1 << 3,
Geometry = 1 << 4,
Fragment = 1 << 5
}
public readonly struct ResourceDescriptor : IEquatable<ResourceDescriptor>
{
public int Binding { get; }
public int Count { get; }
public ResourceType Type { get; }
public ResourceStages Stages { get; }
public ResourceDescriptor(int binding, int count, ResourceType type, ResourceStages stages)
{
Binding = binding;
Count = count;
Type = type;
Stages = stages;
}
public override int GetHashCode()
{
return HashCode.Combine(Binding, Count, Type, Stages);
}
public override bool Equals(object obj)
{
return obj is ResourceDescriptor other && Equals(other);
}
public bool Equals(ResourceDescriptor other)
{
return Binding == other.Binding && Count == other.Count && Type == other.Type && Stages == other.Stages;
}
}
public readonly struct ResourceUsage : IEquatable<ResourceUsage>
{
public int Binding { get; }
public ResourceType Type { get; }
public ResourceStages Stages { get; }
public ResourceAccess Access { get; }
public ResourceUsage(int binding, ResourceType type, ResourceStages stages, ResourceAccess access)
{
Binding = binding;
Type = type;
Stages = stages;
Access = access;
}
public override int GetHashCode()
{
return HashCode.Combine(Binding, Type, Stages, Access);
}
public override bool Equals(object obj)
{
return obj is ResourceUsage other && Equals(other);
}
public bool Equals(ResourceUsage other)
{
return Binding == other.Binding && Type == other.Type && Stages == other.Stages && Access == other.Access;
}
}
public readonly struct ResourceDescriptorCollection
{
public ReadOnlyCollection<ResourceDescriptor> Descriptors { get; }
public ResourceDescriptorCollection(ReadOnlyCollection<ResourceDescriptor> descriptors)
{
Descriptors = descriptors;
}
public override int GetHashCode()
{
HashCode hasher = new HashCode();
if (Descriptors != null)
{
foreach (var descriptor in Descriptors)
{
hasher.Add(descriptor);
}
}
return hasher.ToHashCode();
}
public override bool Equals(object obj)
{
return obj is ResourceDescriptorCollection other && Equals(other);
}
public bool Equals(ResourceDescriptorCollection other)
{
if ((Descriptors == null) != (other.Descriptors == null))
{
return false;
}
if (Descriptors != null)
{
if (Descriptors.Count != other.Descriptors.Count)
{
return false;
}
for (int index = 0; index < Descriptors.Count; index++)
{
if (!Descriptors[index].Equals(other.Descriptors[index]))
{
return false;
}
}
}
return true;
}
}
public readonly struct ResourceUsageCollection
{
public ReadOnlyCollection<ResourceUsage> Usages { get; }
public ResourceUsageCollection(ReadOnlyCollection<ResourceUsage> usages)
{
Usages = usages;
}
}
public readonly struct ResourceLayout
{
public ReadOnlyCollection<ResourceDescriptorCollection> Sets { get; }
public ReadOnlyCollection<ResourceUsageCollection> SetUsages { get; }
public ResourceLayout(
ReadOnlyCollection<ResourceDescriptorCollection> sets,
ReadOnlyCollection<ResourceUsageCollection> setUsages)
{
Sets = sets;
SetUsages = setUsages;
}
}
}
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