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EXPERIMENTAL: Metal backend (#441)

Browse Source 
This is not a continuation of the Metal backend; this is simply bringing
the branch up to date and merging it as-is behind an experiment.

---------

Co-authored-by: Isaac Marovitz <isaacryu@icloud.com>
Co-authored-by: Samuliak <samuliak77@gmail.com>
Co-authored-by: SamoZ256 <96914946+SamoZ256@users.noreply.github.com>
Co-authored-by: Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com>
Co-authored-by: riperiperi <rhy3756547@hotmail.com>
Co-authored-by: Gabriel A <gab.dark.100@gmail.com>
This commit is contained in:
Evan Husted
2024-12-24 00:55:16 -06:00
committed by GitHub
parent 3094df54dd
commit 852823104f
131 changed files with 14992 additions and 140 deletions
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110
src/Ryujinx.Graphics.Metal/State/DepthStencilUid.cs Normal file
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using SharpMetal.Metal;
using System;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
namespace Ryujinx.Graphics.Metal.State
{
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct StencilUid
{
public uint ReadMask;
public uint WriteMask;
public ushort Operations;
public MTLStencilOperation StencilFailureOperation
{
readonly get => (MTLStencilOperation)((Operations >> 0) & 0xF);
set => Operations = (ushort)((Operations & 0xFFF0) | ((int)value << 0));
}
public MTLStencilOperation DepthFailureOperation
{
readonly get => (MTLStencilOperation)((Operations >> 4) & 0xF);
set => Operations = (ushort)((Operations & 0xFF0F) | ((int)value << 4));
}
public MTLStencilOperation DepthStencilPassOperation
{
readonly get => (MTLStencilOperation)((Operations >> 8) & 0xF);
set => Operations = (ushort)((Operations & 0xF0FF) | ((int)value << 8));
}
public MTLCompareFunction StencilCompareFunction
{
readonly get => (MTLCompareFunction)((Operations >> 12) & 0xF);
set => Operations = (ushort)((Operations & 0x0FFF) | ((int)value << 12));
}
}
[StructLayout(LayoutKind.Explicit, Size = 24)]
internal struct DepthStencilUid : IEquatable<DepthStencilUid>
{
[FieldOffset(0)]
public StencilUid FrontFace;
[FieldOffset(10)]
public ushort DepthState;
[FieldOffset(12)]
public StencilUid BackFace;
[FieldOffset(22)]
private readonly ushort _padding;
// Quick access aliases
#pragma warning disable IDE0044 // Add readonly modifier
[FieldOffset(0)]
private ulong _id0;
[FieldOffset(8)]
private ulong _id1;
[FieldOffset(0)]
private Vector128<byte> _id01;
[FieldOffset(16)]
private ulong _id2;
#pragma warning restore IDE0044 // Add readonly modifier
public MTLCompareFunction DepthCompareFunction
{
readonly get => (MTLCompareFunction)((DepthState >> 0) & 0xF);
set => DepthState = (ushort)((DepthState & 0xFFF0) | ((int)value << 0));
}
public bool StencilTestEnabled
{
readonly get => ((DepthState >> 4) & 0x1) != 0;
set => DepthState = (ushort)((DepthState & 0xFFEF) | ((value ? 1 : 0) << 4));
}
public bool DepthWriteEnabled
{
readonly get => ((DepthState >> 15) & 0x1) != 0;
set => DepthState = (ushort)((DepthState & 0x7FFF) | ((value ? 1 : 0) << 15));
}
public readonly override bool Equals(object obj)
{
return obj is DepthStencilUid other && EqualsRef(ref other);
}
public readonly bool EqualsRef(ref DepthStencilUid other)
{
return _id01.Equals(other._id01) && _id2 == other._id2;
}
public readonly bool Equals(DepthStencilUid other)
{
return EqualsRef(ref other);
}
public readonly override int GetHashCode()
{
ulong hash64 = _id0 * 23 ^
_id1 * 23 ^
_id2 * 23;
return (int)hash64 ^ ((int)(hash64 >> 32) * 17);
}
}
}

341
src/Ryujinx.Graphics.Metal/State/PipelineState.cs Normal file
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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.GAL;
using SharpMetal.Foundation;
using SharpMetal.Metal;
using System;
using System.Runtime.Versioning;
namespace Ryujinx.Graphics.Metal
{
[SupportedOSPlatform("macos")]
struct PipelineState
{
public PipelineUid Internal;
public uint StagesCount
{
readonly get => (byte)((Internal.Id0 >> 0) & 0xFF);
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFFFFFFFFF00) | ((ulong)value << 0);
}
public uint VertexAttributeDescriptionsCount
{
readonly get => (byte)((Internal.Id0 >> 8) & 0xFF);
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFFFFFFF00FF) | ((ulong)value << 8);
}
public uint VertexBindingDescriptionsCount
{
readonly get => (byte)((Internal.Id0 >> 16) & 0xFF);
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFFFFF00FFFF) | ((ulong)value << 16);
}
public uint ColorBlendAttachmentStateCount
{
readonly get => (byte)((Internal.Id0 >> 24) & 0xFF);
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFFF00FFFFFF) | ((ulong)value << 24);
}
/*
* Can be an input to a pipeline, but not sure what the situation for that is.
public PrimitiveTopology Topology
{
readonly get => (PrimitiveTopology)((Internal.Id6 >> 16) & 0xF);
set => Internal.Id6 = (Internal.Id6 & 0xFFFFFFFFFFF0FFFF) | ((ulong)value << 16);
}
*/
public MTLLogicOperation LogicOp
{
readonly get => (MTLLogicOperation)((Internal.Id0 >> 32) & 0xF);
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFF0FFFFFFFF) | ((ulong)value << 32);
}
//?
public bool PrimitiveRestartEnable
{
readonly get => ((Internal.Id0 >> 36) & 0x1) != 0UL;
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFEFFFFFFFFF) | ((value ? 1UL : 0UL) << 36);
}
public bool RasterizerDiscardEnable
{
readonly get => ((Internal.Id0 >> 37) & 0x1) != 0UL;
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFDFFFFFFFFF) | ((value ? 1UL : 0UL) << 37);
}
public bool LogicOpEnable
{
readonly get => ((Internal.Id0 >> 38) & 0x1) != 0UL;
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFFBFFFFFFFFF) | ((value ? 1UL : 0UL) << 38);
}
public bool AlphaToCoverageEnable
{
readonly get => ((Internal.Id0 >> 40) & 0x1) != 0UL;
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFEFFFFFFFFFF) | ((value ? 1UL : 0UL) << 40);
}
public bool AlphaToOneEnable
{
readonly get => ((Internal.Id0 >> 41) & 0x1) != 0UL;
set => Internal.Id0 = (Internal.Id0 & 0xFFFFFDFFFFFFFFFF) | ((value ? 1UL : 0UL) << 41);
}
public MTLPixelFormat DepthStencilFormat
{
readonly get => (MTLPixelFormat)(Internal.Id0 >> 48);
set => Internal.Id0 = (Internal.Id0 & 0x0000FFFFFFFFFFFF) | ((ulong)value << 48);
}
// Not sure how to appropriately use this, but it does need to be passed for tess.
public uint PatchControlPoints
{
readonly get => (uint)((Internal.Id1 >> 0) & 0xFFFFFFFF);
set => Internal.Id1 = (Internal.Id1 & 0xFFFFFFFF00000000) | ((ulong)value << 0);
}
public uint SamplesCount
{
readonly get => (uint)((Internal.Id1 >> 32) & 0xFFFFFFFF);
set => Internal.Id1 = (Internal.Id1 & 0xFFFFFFFF) | ((ulong)value << 32);
}
// Advanced blend not supported
private readonly void BuildColorAttachment(MTLRenderPipelineColorAttachmentDescriptor descriptor, ColorBlendStateUid blendState)
{
descriptor.PixelFormat = blendState.PixelFormat;
descriptor.SetBlendingEnabled(blendState.Enable);
descriptor.AlphaBlendOperation = blendState.AlphaBlendOperation;
descriptor.RgbBlendOperation = blendState.RgbBlendOperation;
descriptor.SourceAlphaBlendFactor = blendState.SourceAlphaBlendFactor;
descriptor.DestinationAlphaBlendFactor = blendState.DestinationAlphaBlendFactor;
descriptor.SourceRGBBlendFactor = blendState.SourceRGBBlendFactor;
descriptor.DestinationRGBBlendFactor = blendState.DestinationRGBBlendFactor;
descriptor.WriteMask = blendState.WriteMask;
}
private readonly MTLVertexDescriptor BuildVertexDescriptor()
{
var vertexDescriptor = new MTLVertexDescriptor();
for (int i = 0; i < VertexAttributeDescriptionsCount; i++)
{
VertexInputAttributeUid uid = Internal.VertexAttributes[i];
var attrib = vertexDescriptor.Attributes.Object((ulong)i);
attrib.Format = uid.Format;
attrib.Offset = uid.Offset;
attrib.BufferIndex = uid.BufferIndex;
}
for (int i = 0; i < VertexBindingDescriptionsCount; i++)
{
VertexInputLayoutUid uid = Internal.VertexBindings[i];
var layout = vertexDescriptor.Layouts.Object((ulong)i);
layout.StepFunction = uid.StepFunction;
layout.StepRate = uid.StepRate;
layout.Stride = uid.Stride;
}
return vertexDescriptor;
}
private MTLRenderPipelineDescriptor CreateRenderDescriptor(Program program)
{
var renderPipelineDescriptor = new MTLRenderPipelineDescriptor();
for (int i = 0; i < Constants.MaxColorAttachments; i++)
{
var blendState = Internal.ColorBlendState[i];
if (blendState.PixelFormat != MTLPixelFormat.Invalid)
{
var pipelineAttachment = renderPipelineDescriptor.ColorAttachments.Object((ulong)i);
BuildColorAttachment(pipelineAttachment, blendState);
}
}
MTLPixelFormat dsFormat = DepthStencilFormat;
if (dsFormat != MTLPixelFormat.Invalid)
{
switch (dsFormat)
{
// Depth Only Attachment
case MTLPixelFormat.Depth16Unorm:
case MTLPixelFormat.Depth32Float:
renderPipelineDescriptor.DepthAttachmentPixelFormat = dsFormat;
break;
// Stencil Only Attachment
case MTLPixelFormat.Stencil8:
renderPipelineDescriptor.StencilAttachmentPixelFormat = dsFormat;
break;
// Combined Attachment
case MTLPixelFormat.Depth24UnormStencil8:
case MTLPixelFormat.Depth32FloatStencil8:
renderPipelineDescriptor.DepthAttachmentPixelFormat = dsFormat;
renderPipelineDescriptor.StencilAttachmentPixelFormat = dsFormat;
break;
default:
Logger.Error?.PrintMsg(LogClass.Gpu, $"Unsupported Depth/Stencil Format: {dsFormat}!");
break;
}
}
renderPipelineDescriptor.LogicOperationEnabled = LogicOpEnable;
renderPipelineDescriptor.LogicOperation = LogicOp;
renderPipelineDescriptor.AlphaToCoverageEnabled = AlphaToCoverageEnable;
renderPipelineDescriptor.AlphaToOneEnabled = AlphaToOneEnable;
renderPipelineDescriptor.RasterizationEnabled = !RasterizerDiscardEnable;
renderPipelineDescriptor.SampleCount = Math.Max(1, SamplesCount);
var vertexDescriptor = BuildVertexDescriptor();
renderPipelineDescriptor.VertexDescriptor = vertexDescriptor;
renderPipelineDescriptor.VertexFunction = program.VertexFunction;
if (program.FragmentFunction.NativePtr != 0)
{
renderPipelineDescriptor.FragmentFunction = program.FragmentFunction;
}
return renderPipelineDescriptor;
}
public MTLRenderPipelineState CreateRenderPipeline(MTLDevice device, Program program)
{
if (program.TryGetGraphicsPipeline(ref Internal, out var pipelineState))
{
return pipelineState;
}
using var descriptor = CreateRenderDescriptor(program);
var error = new NSError(IntPtr.Zero);
pipelineState = device.NewRenderPipelineState(descriptor, ref error);
if (error != IntPtr.Zero)
{
Logger.Error?.PrintMsg(LogClass.Gpu, $"Failed to create Render Pipeline State: {StringHelper.String(error.LocalizedDescription)}");
}
program.AddGraphicsPipeline(ref Internal, pipelineState);
return pipelineState;
}
public static MTLComputePipelineDescriptor CreateComputeDescriptor(Program program)
{
ComputeSize localSize = program.ComputeLocalSize;
uint maxThreads = (uint)(localSize.X * localSize.Y * localSize.Z);
if (maxThreads == 0)
{
throw new InvalidOperationException($"Local thread size for compute cannot be 0 in any dimension.");
}
var descriptor = new MTLComputePipelineDescriptor
{
ComputeFunction = program.ComputeFunction,
MaxTotalThreadsPerThreadgroup = maxThreads,
ThreadGroupSizeIsMultipleOfThreadExecutionWidth = true,
};
return descriptor;
}
public static MTLComputePipelineState CreateComputePipeline(MTLDevice device, Program program)
{
if (program.TryGetComputePipeline(out var pipelineState))
{
return pipelineState;
}
using MTLComputePipelineDescriptor descriptor = CreateComputeDescriptor(program);
var error = new NSError(IntPtr.Zero);
pipelineState = device.NewComputePipelineState(descriptor, MTLPipelineOption.None, 0, ref error);
if (error != IntPtr.Zero)
{
Logger.Error?.PrintMsg(LogClass.Gpu, $"Failed to create Compute Pipeline State: {StringHelper.String(error.LocalizedDescription)}");
}
program.AddComputePipeline(pipelineState);
return pipelineState;
}
public void Initialize()
{
SamplesCount = 1;
Internal.ResetColorState();
}
/*
* TODO, this is from vulkan.
private void UpdateVertexAttributeDescriptions(VulkanRenderer gd)
{
// Vertex attributes exceeding the stride are invalid.
// In metal, they cause glitches with the vertex shader fetching incorrect values.
// To work around this, we reduce the format to something that doesn't exceed the stride if possible.
// The assumption is that the exceeding components are not actually accessed on the shader.
for (int index = 0; index < VertexAttributeDescriptionsCount; index++)
{
var attribute = Internal.VertexAttributeDescriptions[index];
int vbIndex = GetVertexBufferIndex(attribute.Binding);
if (vbIndex >= 0)
{
ref var vb = ref Internal.VertexBindingDescriptions[vbIndex];
Format format = attribute.Format;
while (vb.Stride != 0 && attribute.Offset + FormatTable.GetAttributeFormatSize(format) > vb.Stride)
{
Format newFormat = FormatTable.DropLastComponent(format);
if (newFormat == format)
{
// That case means we failed to find a format that fits within the stride,
// so just restore the original format and give up.
format = attribute.Format;
break;
}
format = newFormat;
}
if (attribute.Format != format && gd.FormatCapabilities.BufferFormatSupports(FormatFeatureFlags.VertexBufferBit, format))
{
attribute.Format = format;
}
}
_vertexAttributeDescriptions2[index] = attribute;
}
}
private int GetVertexBufferIndex(uint binding)
{
for (int index = 0; index < VertexBindingDescriptionsCount; index++)
{
if (Internal.VertexBindingDescriptions[index].Binding == binding)
{
return index;
}
}
return -1;
}
*/
}
}

208
src/Ryujinx.Graphics.Metal/State/PipelineUid.cs Normal file
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using Ryujinx.Common.Memory;
using SharpMetal.Metal;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Versioning;
namespace Ryujinx.Graphics.Metal
{
struct VertexInputAttributeUid
{
public ulong Id0;
public ulong Offset
{
readonly get => (uint)((Id0 >> 0) & 0xFFFFFFFF);
set => Id0 = (Id0 & 0xFFFFFFFF00000000) | ((ulong)value << 0);
}
public MTLVertexFormat Format
{
readonly get => (MTLVertexFormat)((Id0 >> 32) & 0xFFFF);
set => Id0 = (Id0 & 0xFFFF0000FFFFFFFF) | ((ulong)value << 32);
}
public ulong BufferIndex
{
readonly get => ((Id0 >> 48) & 0xFFFF);
set => Id0 = (Id0 & 0x0000FFFFFFFFFFFF) | ((ulong)value << 48);
}
}
struct VertexInputLayoutUid
{
public ulong Id0;
public uint Stride
{
readonly get => (uint)((Id0 >> 0) & 0xFFFFFFFF);
set => Id0 = (Id0 & 0xFFFFFFFF00000000) | ((ulong)value << 0);
}
public uint StepRate
{
readonly get => (uint)((Id0 >> 32) & 0x1FFFFFFF);
set => Id0 = (Id0 & 0xE0000000FFFFFFFF) | ((ulong)value << 32);
}
public MTLVertexStepFunction StepFunction
{
readonly get => (MTLVertexStepFunction)((Id0 >> 61) & 0x7);
set => Id0 = (Id0 & 0x1FFFFFFFFFFFFFFF) | ((ulong)value << 61);
}
}
struct ColorBlendStateUid
{
public ulong Id0;
public MTLPixelFormat PixelFormat
{
readonly get => (MTLPixelFormat)((Id0 >> 0) & 0xFFFF);
set => Id0 = (Id0 & 0xFFFFFFFFFFFF0000) | ((ulong)value << 0);
}
public MTLBlendFactor SourceRGBBlendFactor
{
readonly get => (MTLBlendFactor)((Id0 >> 16) & 0xFF);
set => Id0 = (Id0 & 0xFFFFFFFFFF00FFFF) | ((ulong)value << 16);
}
public MTLBlendFactor DestinationRGBBlendFactor
{
readonly get => (MTLBlendFactor)((Id0 >> 24) & 0xFF);
set => Id0 = (Id0 & 0xFFFFFFFF00FFFFFF) | ((ulong)value << 24);
}
public MTLBlendOperation RgbBlendOperation
{
readonly get => (MTLBlendOperation)((Id0 >> 32) & 0xF);
set => Id0 = (Id0 & 0xFFFFFFF0FFFFFFFF) | ((ulong)value << 32);
}
public MTLBlendOperation AlphaBlendOperation
{
readonly get => (MTLBlendOperation)((Id0 >> 36) & 0xF);
set => Id0 = (Id0 & 0xFFFFFF0FFFFFFFFF) | ((ulong)value << 36);
}
public MTLBlendFactor SourceAlphaBlendFactor
{
readonly get => (MTLBlendFactor)((Id0 >> 40) & 0xFF);
set => Id0 = (Id0 & 0xFFFF00FFFFFFFFFF) | ((ulong)value << 40);
}
public MTLBlendFactor DestinationAlphaBlendFactor
{
readonly get => (MTLBlendFactor)((Id0 >> 48) & 0xFF);
set => Id0 = (Id0 & 0xFF00FFFFFFFFFFFF) | ((ulong)value << 48);
}
public MTLColorWriteMask WriteMask
{
readonly get => (MTLColorWriteMask)((Id0 >> 56) & 0xF);
set => Id0 = (Id0 & 0xF0FFFFFFFFFFFFFF) | ((ulong)value << 56);
}
public bool Enable
{
readonly get => ((Id0 >> 63) & 0x1) != 0UL;
set => Id0 = (Id0 & 0x7FFFFFFFFFFFFFFF) | ((value ? 1UL : 0UL) << 63);
}
public void Swap(ColorBlendStateUid uid)
{
var format = PixelFormat;
this = uid;
PixelFormat = format;
}
}
[SupportedOSPlatform("macos")]
struct PipelineUid : IRefEquatable<PipelineUid>
{
public ulong Id0;
public ulong Id1;
private readonly uint VertexAttributeDescriptionsCount => (byte)((Id0 >> 8) & 0xFF);
private readonly uint VertexBindingDescriptionsCount => (byte)((Id0 >> 16) & 0xFF);
private readonly uint ColorBlendAttachmentStateCount => (byte)((Id0 >> 24) & 0xFF);
public Array32<VertexInputAttributeUid> VertexAttributes;
public Array33<VertexInputLayoutUid> VertexBindings;
public Array8<ColorBlendStateUid> ColorBlendState;
public uint AttachmentIntegerFormatMask;
public bool LogicOpsAllowed;
public void ResetColorState()
{
ColorBlendState = new();
for (int i = 0; i < ColorBlendState.Length; i++)
{
ColorBlendState[i].WriteMask = MTLColorWriteMask.All;
}
}
public readonly override bool Equals(object obj)
{
return obj is PipelineUid other && Equals(other);
}
public bool Equals(ref PipelineUid other)
{
if (!Unsafe.As<ulong, Vector128<byte>>(ref Id0).Equals(Unsafe.As<ulong, Vector128<byte>>(ref other.Id0)))
{
return false;
}
if (!SequenceEqual<VertexInputAttributeUid>(VertexAttributes.AsSpan(), other.VertexAttributes.AsSpan(), VertexAttributeDescriptionsCount))
{
return false;
}
if (!SequenceEqual<VertexInputLayoutUid>(VertexBindings.AsSpan(), other.VertexBindings.AsSpan(), VertexBindingDescriptionsCount))
{
return false;
}
if (!SequenceEqual<ColorBlendStateUid>(ColorBlendState.AsSpan(), other.ColorBlendState.AsSpan(), ColorBlendAttachmentStateCount))
{
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[..(int)count]).SequenceEqual(MemoryMarshal.Cast<T, byte>(y[..(int)count]));
}
public override int GetHashCode()
{
ulong hash64 = Id0 * 23 ^
Id1 * 23;
for (int i = 0; i < (int)VertexAttributeDescriptionsCount; i++)
{
hash64 ^= VertexAttributes[i].Id0 * 23;
}
for (int i = 0; i < (int)VertexBindingDescriptionsCount; i++)
{
hash64 ^= VertexBindings[i].Id0 * 23;
}
for (int i = 0; i < (int)ColorBlendAttachmentStateCount; i++)
{
hash64 ^= ColorBlendState[i].Id0 * 23;
}
return (int)hash64 ^ ((int)(hash64 >> 32) * 17);
}
}
}