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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>
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Evan Husted 2024-12-24 00:55:16 -06:00 • committed by GitHub
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commit 852823104f
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src/Ryujinx.Graphics.Metal/EncoderState.cs Normal file
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using Ryujinx.Common.Memory;
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Metal.State;
using Ryujinx.Graphics.Shader;
using SharpMetal.Metal;
using System;
using System.Runtime.Versioning;
namespace Ryujinx.Graphics.Metal
{
[Flags]
enum DirtyFlags
{
None = 0,
RenderPipeline = 1 << 0,
ComputePipeline = 1 << 1,
DepthStencil = 1 << 2,
DepthClamp = 1 << 3,
DepthBias = 1 << 4,
CullMode = 1 << 5,
FrontFace = 1 << 6,
StencilRef = 1 << 7,
Viewports = 1 << 8,
Scissors = 1 << 9,
Uniforms = 1 << 10,
Storages = 1 << 11,
Textures = 1 << 12,
Images = 1 << 13,
ArgBuffers = Uniforms | Storages | Textures | Images,
RenderAll = RenderPipeline | DepthStencil | DepthClamp | DepthBias | CullMode | FrontFace | StencilRef | Viewports | Scissors | ArgBuffers,
ComputeAll = ComputePipeline | ArgBuffers,
All = RenderAll | ComputeAll,
}
record struct BufferRef
{
public Auto<DisposableBuffer> Buffer;
public BufferRange? Range;
public BufferRef(Auto<DisposableBuffer> buffer)
{
Buffer = buffer;
}
public BufferRef(Auto<DisposableBuffer> buffer, ref BufferRange range)
{
Buffer = buffer;
Range = range;
}
}
record struct TextureRef
{
public ShaderStage Stage;
public TextureBase Storage;
public Auto<DisposableSampler> Sampler;
public Format ImageFormat;
public TextureRef(ShaderStage stage, TextureBase storage, Auto<DisposableSampler> sampler)
{
Stage = stage;
Storage = storage;
Sampler = sampler;
}
}
record struct ImageRef
{
public ShaderStage Stage;
public Texture Storage;
public ImageRef(ShaderStage stage, Texture storage)
{
Stage = stage;
Storage = storage;
}
}
struct PredrawState
{
public MTLCullMode CullMode;
public DepthStencilUid DepthStencilUid;
public PrimitiveTopology Topology;
public MTLViewport[] Viewports;
}
struct RenderTargetCopy
{
public MTLScissorRect[] Scissors;
public Texture DepthStencil;
public Texture[] RenderTargets;
}
[SupportedOSPlatform("macos")]
class EncoderState
{
public Program RenderProgram = null;
public Program ComputeProgram = null;
public PipelineState Pipeline;
public DepthStencilUid DepthStencilUid;
public readonly record struct ArrayRef<T>(ShaderStage Stage, T Array);
public readonly BufferRef[] UniformBufferRefs = new BufferRef[Constants.MaxUniformBufferBindings];
public readonly BufferRef[] StorageBufferRefs = new BufferRef[Constants.MaxStorageBufferBindings];
public readonly TextureRef[] TextureRefs = new TextureRef[Constants.MaxTextureBindings * 2];
public readonly ImageRef[] ImageRefs = new ImageRef[Constants.MaxImageBindings * 2];
public ArrayRef<TextureArray>[] TextureArrayRefs = [];
public ArrayRef<ImageArray>[] ImageArrayRefs = [];
public ArrayRef<TextureArray>[] TextureArrayExtraRefs = [];
public ArrayRef<ImageArray>[] ImageArrayExtraRefs = [];
public IndexBufferState IndexBuffer = default;
public MTLDepthClipMode DepthClipMode = MTLDepthClipMode.Clip;
public float DepthBias;
public float SlopeScale;
public float Clamp;
public int BackRefValue = 0;
public int FrontRefValue = 0;
public PrimitiveTopology Topology = PrimitiveTopology.Triangles;
public MTLCullMode CullMode = MTLCullMode.None;
public MTLWinding Winding = MTLWinding.CounterClockwise;
public bool CullBoth = false;
public MTLViewport[] Viewports = new MTLViewport[Constants.MaxViewports];
public MTLScissorRect[] Scissors = new MTLScissorRect[Constants.MaxViewports];
// Changes to attachments take recreation!
public Texture DepthStencil;
public Texture[] RenderTargets = new Texture[Constants.MaxColorAttachments];
public ITexture PreMaskDepthStencil = default;
public ITexture[] PreMaskRenderTargets;
public bool FramebufferUsingColorWriteMask;
public Array8<ColorBlendStateUid> StoredBlend;
public ColorF BlendColor = new();
public readonly VertexBufferState[] VertexBuffers = new VertexBufferState[Constants.MaxVertexBuffers];
public readonly VertexAttribDescriptor[] VertexAttribs = new VertexAttribDescriptor[Constants.MaxVertexAttributes];
// Dirty flags
public DirtyFlags Dirty = DirtyFlags.None;
// Only to be used for present
public bool ClearLoadAction = false;
public RenderEncoderBindings RenderEncoderBindings = new();
public ComputeEncoderBindings ComputeEncoderBindings = new();
public EncoderState()
{
Pipeline.Initialize();
DepthStencilUid.DepthCompareFunction = MTLCompareFunction.Always;
}
public RenderTargetCopy InheritForClear(EncoderState other, bool depth, int singleIndex = -1)
{
// Inherit render target related information without causing a render encoder split.
var oldState = new RenderTargetCopy
{
Scissors = other.Scissors,
RenderTargets = other.RenderTargets,
DepthStencil = other.DepthStencil
};
Scissors = other.Scissors;
RenderTargets = other.RenderTargets;
DepthStencil = other.DepthStencil;
Pipeline.ColorBlendAttachmentStateCount = other.Pipeline.ColorBlendAttachmentStateCount;
Pipeline.Internal.ColorBlendState = other.Pipeline.Internal.ColorBlendState;
Pipeline.DepthStencilFormat = other.Pipeline.DepthStencilFormat;
ref var blendStates = ref Pipeline.Internal.ColorBlendState;
// Mask out irrelevant attachments.
for (int i = 0; i < blendStates.Length; i++)
{
if (depth || (singleIndex != -1 && singleIndex != i))
{
blendStates[i].WriteMask = MTLColorWriteMask.None;
}
}
return oldState;
}
public void Restore(RenderTargetCopy copy)
{
Scissors = copy.Scissors;
RenderTargets = copy.RenderTargets;
DepthStencil = copy.DepthStencil;
Pipeline.Internal.ResetColorState();
}
}
}