forked from Mirror/Ryujinx
650 lines
24 KiB
C#
650 lines
24 KiB
C#
using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Shader;
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using Silk.NET.Vulkan;
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using System;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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namespace Ryujinx.Graphics.Vulkan
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{
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class DescriptorSetUpdater
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{
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private readonly VulkanRenderer _gd;
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private readonly PipelineBase _pipeline;
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private ShaderCollection _program;
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private Auto<DisposableBuffer>[] _uniformBufferRefs;
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private Auto<DisposableBuffer>[] _storageBufferRefs;
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private Auto<DisposableImageView>[] _textureRefs;
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private Auto<DisposableSampler>[] _samplerRefs;
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private Auto<DisposableImageView>[] _imageRefs;
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private TextureBuffer[] _bufferTextureRefs;
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private TextureBuffer[] _bufferImageRefs;
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private GAL.Format[] _bufferImageFormats;
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private DescriptorBufferInfo[] _uniformBuffers;
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private DescriptorBufferInfo[] _storageBuffers;
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private DescriptorImageInfo[] _textures;
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private DescriptorImageInfo[] _images;
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private BufferView[] _bufferTextures;
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private BufferView[] _bufferImages;
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private bool[] _uniformSet;
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private bool[] _storageSet;
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private Silk.NET.Vulkan.Buffer _cachedSupportBuffer;
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[Flags]
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private enum DirtyFlags
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{
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None = 0,
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Uniform = 1 << 0,
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Storage = 1 << 1,
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Texture = 1 << 2,
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Image = 1 << 3,
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All = Uniform | Storage | Texture | Image
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}
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private DirtyFlags _dirty;
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private readonly BufferHolder _dummyBuffer;
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private readonly TextureView _dummyTexture;
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private readonly SamplerHolder _dummySampler;
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public DescriptorSetUpdater(VulkanRenderer gd, PipelineBase pipeline)
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{
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_gd = gd;
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_pipeline = pipeline;
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// Some of the bindings counts needs to be multiplied by 2 because we have buffer and
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// regular textures/images interleaved on the same descriptor set.
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_uniformBufferRefs = new Auto<DisposableBuffer>[Constants.MaxUniformBufferBindings];
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_storageBufferRefs = new Auto<DisposableBuffer>[Constants.MaxStorageBufferBindings];
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_textureRefs = new Auto<DisposableImageView>[Constants.MaxTextureBindings * 2];
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_samplerRefs = new Auto<DisposableSampler>[Constants.MaxTextureBindings * 2];
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_imageRefs = new Auto<DisposableImageView>[Constants.MaxImageBindings * 2];
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_bufferTextureRefs = new TextureBuffer[Constants.MaxTextureBindings * 2];
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_bufferImageRefs = new TextureBuffer[Constants.MaxImageBindings * 2];
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_bufferImageFormats = new GAL.Format[Constants.MaxImageBindings * 2];
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_uniformBuffers = new DescriptorBufferInfo[Constants.MaxUniformBufferBindings];
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_storageBuffers = new DescriptorBufferInfo[Constants.MaxStorageBufferBindings];
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_textures = new DescriptorImageInfo[Constants.MaxTexturesPerStage];
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_images = new DescriptorImageInfo[Constants.MaxImagesPerStage];
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_bufferTextures = new BufferView[Constants.MaxTexturesPerStage];
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_bufferImages = new BufferView[Constants.MaxImagesPerStage];
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var initialImageInfo = new DescriptorImageInfo()
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{
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ImageLayout = ImageLayout.General
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};
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_textures.AsSpan().Fill(initialImageInfo);
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_images.AsSpan().Fill(initialImageInfo);
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_uniformSet = new bool[Constants.MaxUniformBufferBindings];
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_storageSet = new bool[Constants.MaxStorageBufferBindings];
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if (gd.Capabilities.SupportsNullDescriptors)
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{
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// If null descriptors are supported, we can pass null as the handle.
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_dummyBuffer = null;
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}
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else
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{
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// If null descriptors are not supported, we need to pass the handle of a dummy buffer on unused bindings.
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_dummyBuffer = gd.BufferManager.Create(gd, 0x10000, forConditionalRendering: false, deviceLocal: true);
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}
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_dummyTexture = gd.CreateTextureView(new GAL.TextureCreateInfo(
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1,
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1,
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1,
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1,
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1,
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1,
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1,
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4,
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GAL.Format.R8G8B8A8Unorm,
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DepthStencilMode.Depth,
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Target.Texture2D,
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SwizzleComponent.Red,
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SwizzleComponent.Green,
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SwizzleComponent.Blue,
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SwizzleComponent.Alpha), 1f);
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_dummySampler = (SamplerHolder)gd.CreateSampler(new GAL.SamplerCreateInfo(
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MinFilter.Nearest,
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MagFilter.Nearest,
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false,
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AddressMode.Repeat,
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AddressMode.Repeat,
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AddressMode.Repeat,
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CompareMode.None,
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GAL.CompareOp.Always,
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new ColorF(0, 0, 0, 0),
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0,
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0,
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0,
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1f));
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}
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public void Initialize()
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{
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Span<byte> dummyTextureData = stackalloc byte[4];
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_dummyTexture.SetData(dummyTextureData);
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}
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public void SetProgram(ShaderCollection program)
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{
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_program = program;
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_dirty = DirtyFlags.All;
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}
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public void SetImage(int binding, ITexture image, GAL.Format imageFormat)
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{
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if (image is TextureBuffer imageBuffer)
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{
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_bufferImageRefs[binding] = imageBuffer;
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_bufferImageFormats[binding] = imageFormat;
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}
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else if (image is TextureView view)
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{
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_imageRefs[binding] = view.GetView(imageFormat).GetIdentityImageView();
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}
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else
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{
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_imageRefs[binding] = null;
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_bufferImageRefs[binding] = null;
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_bufferImageFormats[binding] = default;
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}
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SignalDirty(DirtyFlags.Image);
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}
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public void SetStorageBuffers(CommandBuffer commandBuffer, ReadOnlySpan<BufferAssignment> buffers)
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{
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for (int i = 0; i < buffers.Length; i++)
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{
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var assignment = buffers[i];
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var buffer = assignment.Range;
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int index = assignment.Binding;
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Auto<DisposableBuffer> vkBuffer = _gd.BufferManager.GetBuffer(commandBuffer, buffer.Handle, false);
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ref Auto<DisposableBuffer> currentVkBuffer = ref _storageBufferRefs[index];
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DescriptorBufferInfo info = new DescriptorBufferInfo()
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{
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Offset = (ulong)buffer.Offset,
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Range = (ulong)buffer.Size
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};
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ref DescriptorBufferInfo currentInfo = ref _storageBuffers[index];
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if (vkBuffer != currentVkBuffer || currentInfo.Offset != info.Offset || currentInfo.Range != info.Range)
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{
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_storageSet[index] = false;
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currentInfo = info;
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currentVkBuffer = vkBuffer;
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}
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}
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SignalDirty(DirtyFlags.Storage);
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}
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public void SetStorageBuffers(CommandBuffer commandBuffer, int first, ReadOnlySpan<Auto<DisposableBuffer>> buffers)
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{
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for (int i = 0; i < buffers.Length; i++)
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{
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var vkBuffer = buffers[i];
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int index = first + i;
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ref Auto<DisposableBuffer> currentVkBuffer = ref _storageBufferRefs[index];
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DescriptorBufferInfo info = new DescriptorBufferInfo()
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{
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Offset = 0,
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Range = Vk.WholeSize
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};
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ref DescriptorBufferInfo currentInfo = ref _storageBuffers[index];
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if (vkBuffer != currentVkBuffer || currentInfo.Offset != info.Offset || currentInfo.Range != info.Range)
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{
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_storageSet[index] = false;
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currentInfo = info;
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currentVkBuffer = vkBuffer;
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}
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}
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SignalDirty(DirtyFlags.Storage);
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}
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public void SetTextureAndSampler(CommandBufferScoped cbs, ShaderStage stage, int binding, ITexture texture, ISampler sampler)
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{
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if (texture is TextureBuffer textureBuffer)
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{
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_bufferTextureRefs[binding] = textureBuffer;
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}
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else if (texture is TextureView view)
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{
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view.Storage.InsertBarrier(cbs, AccessFlags.ShaderReadBit, stage.ConvertToPipelineStageFlags());
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_textureRefs[binding] = view.GetImageView();
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_samplerRefs[binding] = ((SamplerHolder)sampler)?.GetSampler();
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}
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else
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{
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_textureRefs[binding] = null;
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_samplerRefs[binding] = null;
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_bufferTextureRefs[binding] = null;
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}
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SignalDirty(DirtyFlags.Texture);
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}
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public void SetUniformBuffers(CommandBuffer commandBuffer, ReadOnlySpan<BufferAssignment> buffers)
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{
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for (int i = 0; i < buffers.Length; i++)
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{
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var assignment = buffers[i];
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var buffer = assignment.Range;
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int index = assignment.Binding;
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Auto<DisposableBuffer> vkBuffer = _gd.BufferManager.GetBuffer(commandBuffer, buffer.Handle, false);
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ref Auto<DisposableBuffer> currentVkBuffer = ref _uniformBufferRefs[index];
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DescriptorBufferInfo info = new DescriptorBufferInfo()
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{
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Offset = (ulong)buffer.Offset,
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Range = (ulong)buffer.Size
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};
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ref DescriptorBufferInfo currentInfo = ref _uniformBuffers[index];
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if (vkBuffer != currentVkBuffer || currentInfo.Offset != info.Offset || currentInfo.Range != info.Range)
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{
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_uniformSet[index] = false;
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currentInfo = info;
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currentVkBuffer = vkBuffer;
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}
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}
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SignalDirty(DirtyFlags.Uniform);
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}
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private void SignalDirty(DirtyFlags flag)
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{
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_dirty |= flag;
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}
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public void UpdateAndBindDescriptorSets(CommandBufferScoped cbs, PipelineBindPoint pbp)
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{
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if ((_dirty & DirtyFlags.All) == 0)
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{
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return;
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}
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if (_dirty.HasFlag(DirtyFlags.Uniform))
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{
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if (_program.UsePushDescriptors)
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{
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UpdateAndBindUniformBufferPd(cbs, pbp);
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}
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else
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{
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UpdateAndBind(cbs, PipelineBase.UniformSetIndex, pbp);
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}
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}
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if (_dirty.HasFlag(DirtyFlags.Storage))
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{
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UpdateAndBind(cbs, PipelineBase.StorageSetIndex, pbp);
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}
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if (_dirty.HasFlag(DirtyFlags.Texture))
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{
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UpdateAndBind(cbs, PipelineBase.TextureSetIndex, pbp);
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}
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if (_dirty.HasFlag(DirtyFlags.Image))
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{
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UpdateAndBind(cbs, PipelineBase.ImageSetIndex, pbp);
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}
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_dirty = DirtyFlags.None;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private static void UpdateBuffer(
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CommandBufferScoped cbs,
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ref DescriptorBufferInfo info,
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Auto<DisposableBuffer> buffer,
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Auto<DisposableBuffer> dummyBuffer)
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{
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info.Buffer = buffer?.Get(cbs, (int)info.Offset, (int)info.Range).Value ?? default;
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// The spec requires that buffers with null handle have offset as 0 and range as VK_WHOLE_SIZE.
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if (info.Buffer.Handle == 0)
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{
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info.Buffer = dummyBuffer?.Get(cbs).Value ?? default;
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info.Offset = 0;
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info.Range = Vk.WholeSize;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void UpdateAndBind(CommandBufferScoped cbs, int setIndex, PipelineBindPoint pbp)
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{
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var program = _program;
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int stagesCount = program.Bindings[setIndex].Length;
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if (stagesCount == 0 && setIndex != PipelineBase.UniformSetIndex)
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{
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return;
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}
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var dummyBuffer = _dummyBuffer?.GetBuffer();
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var dsc = program.GetNewDescriptorSetCollection(_gd, cbs.CommandBufferIndex, setIndex, out var isNew).Get(cbs);
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if (!program.HasMinimalLayout)
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{
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if (isNew)
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{
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Initialize(cbs, setIndex, dsc);
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}
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if (setIndex == PipelineBase.UniformSetIndex)
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{
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Span<DescriptorBufferInfo> uniformBuffer = stackalloc DescriptorBufferInfo[1];
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if (!_uniformSet[0])
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{
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_cachedSupportBuffer = _gd.BufferManager.GetBuffer(cbs.CommandBuffer, _pipeline.SupportBufferUpdater.Handle, false).Get(cbs, 0, SupportBuffer.RequiredSize).Value;
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_uniformSet[0] = true;
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}
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uniformBuffer[0] = new DescriptorBufferInfo()
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{
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Offset = 0,
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Range = (ulong)SupportBuffer.RequiredSize,
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Buffer = _cachedSupportBuffer
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};
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dsc.UpdateBuffers(0, 0, uniformBuffer, DescriptorType.UniformBuffer);
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}
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}
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for (int stageIndex = 0; stageIndex < stagesCount; stageIndex++)
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{
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var stageBindings = program.Bindings[setIndex][stageIndex];
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int bindingsCount = stageBindings.Length;
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int count;
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for (int bindingIndex = 0; bindingIndex < bindingsCount; bindingIndex += count)
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{
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int binding = stageBindings[bindingIndex];
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count = 1;
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while (bindingIndex + count < bindingsCount && stageBindings[bindingIndex + count] == binding + count)
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{
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count++;
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}
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if (setIndex == PipelineBase.UniformSetIndex)
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{
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for (int i = 0; i < count; i++)
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{
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int index = binding + i;
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if (!_uniformSet[index])
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{
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UpdateBuffer(cbs, ref _uniformBuffers[index], _uniformBufferRefs[index], dummyBuffer);
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_uniformSet[index] = true;
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}
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}
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ReadOnlySpan<DescriptorBufferInfo> uniformBuffers = _uniformBuffers;
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dsc.UpdateBuffers(0, binding, uniformBuffers.Slice(binding, count), DescriptorType.UniformBuffer);
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}
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else if (setIndex == PipelineBase.StorageSetIndex)
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{
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for (int i = 0; i < count; i++)
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{
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int index = binding + i;
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if (!_storageSet[index])
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{
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UpdateBuffer(cbs, ref _storageBuffers[index], _storageBufferRefs[index], dummyBuffer);
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_storageSet[index] = true;
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}
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}
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ReadOnlySpan<DescriptorBufferInfo> storageBuffers = _storageBuffers;
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if (program.HasMinimalLayout)
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{
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dsc.UpdateBuffers(0, binding, storageBuffers.Slice(binding, count), DescriptorType.StorageBuffer);
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}
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else
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{
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dsc.UpdateStorageBuffers(0, binding, storageBuffers.Slice(binding, count));
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}
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}
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else if (setIndex == PipelineBase.TextureSetIndex)
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{
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if (((uint)binding % (Constants.MaxTexturesPerStage * 2)) < Constants.MaxTexturesPerStage || program.HasMinimalLayout)
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{
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Span<DescriptorImageInfo> textures = _textures;
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for (int i = 0; i < count; i++)
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{
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ref var texture = ref textures[i];
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texture.ImageView = _textureRefs[binding + i]?.Get(cbs).Value ?? default;
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texture.Sampler = _samplerRefs[binding + i]?.Get(cbs).Value ?? default;
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if (texture.ImageView.Handle == 0)
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{
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texture.ImageView = _dummyTexture.GetImageView().Get(cbs).Value;
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}
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if (texture.Sampler.Handle == 0)
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{
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texture.Sampler = _dummySampler.GetSampler().Get(cbs).Value;
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}
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}
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dsc.UpdateImages(0, binding, textures.Slice(0, count), DescriptorType.CombinedImageSampler);
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}
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else
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{
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Span<BufferView> bufferTextures = _bufferTextures;
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for (int i = 0; i < count; i++)
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{
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bufferTextures[i] = _bufferTextureRefs[binding + i]?.GetBufferView(cbs) ?? default;
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}
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dsc.UpdateBufferImages(0, binding, bufferTextures.Slice(0, count), DescriptorType.UniformTexelBuffer);
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}
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}
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else if (setIndex == PipelineBase.ImageSetIndex)
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{
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if (((uint)binding % (Constants.MaxImagesPerStage * 2)) < Constants.MaxImagesPerStage || program.HasMinimalLayout)
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{
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Span<DescriptorImageInfo> images = _images;
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for (int i = 0; i < count; i++)
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{
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images[i].ImageView = _imageRefs[binding + i]?.Get(cbs).Value ?? default;
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}
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dsc.UpdateImages(0, binding, images.Slice(0, count), DescriptorType.StorageImage);
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}
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else
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{
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Span<BufferView> bufferImages = _bufferImages;
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for (int i = 0; i < count; i++)
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{
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bufferImages[i] = _bufferImageRefs[binding + i]?.GetBufferView(cbs, _bufferImageFormats[binding + i]) ?? default;
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}
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dsc.UpdateBufferImages(0, binding, bufferImages.Slice(0, count), DescriptorType.StorageTexelBuffer);
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}
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}
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}
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}
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var sets = dsc.GetSets();
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_gd.Api.CmdBindDescriptorSets(cbs.CommandBuffer, pbp, _program.PipelineLayout, (uint)setIndex, 1, sets, 0, ReadOnlySpan<uint>.Empty);
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}
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private unsafe void UpdateBuffers(
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CommandBufferScoped cbs,
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PipelineBindPoint pbp,
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int baseBinding,
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ReadOnlySpan<DescriptorBufferInfo> bufferInfo,
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DescriptorType type)
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{
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if (bufferInfo.Length == 0)
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{
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return;
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}
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fixed (DescriptorBufferInfo* pBufferInfo = bufferInfo)
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{
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var writeDescriptorSet = new WriteDescriptorSet
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{
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SType = StructureType.WriteDescriptorSet,
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DstBinding = (uint)baseBinding,
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DescriptorType = type,
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DescriptorCount = (uint)bufferInfo.Length,
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PBufferInfo = pBufferInfo
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};
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_gd.PushDescriptorApi.CmdPushDescriptorSet(cbs.CommandBuffer, pbp, _program.PipelineLayout, 0, 1, &writeDescriptorSet);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private void UpdateAndBindUniformBufferPd(CommandBufferScoped cbs, PipelineBindPoint pbp)
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{
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var dummyBuffer = _dummyBuffer?.GetBuffer();
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int stagesCount = _program.Bindings[PipelineBase.UniformSetIndex].Length;
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if (!_uniformSet[0])
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{
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Span<DescriptorBufferInfo> uniformBuffer = stackalloc DescriptorBufferInfo[1];
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|
|
uniformBuffer[0] = new DescriptorBufferInfo()
|
|
{
|
|
Offset = 0,
|
|
Range = (ulong)SupportBuffer.RequiredSize,
|
|
Buffer = _gd.BufferManager.GetBuffer(cbs.CommandBuffer, _pipeline.SupportBufferUpdater.Handle, false).Get(cbs, 0, SupportBuffer.RequiredSize).Value
|
|
};
|
|
|
|
_uniformSet[0] = true;
|
|
|
|
UpdateBuffers(cbs, pbp, 0, uniformBuffer, DescriptorType.UniformBuffer);
|
|
}
|
|
|
|
for (int stageIndex = 0; stageIndex < stagesCount; stageIndex++)
|
|
{
|
|
var stageBindings = _program.Bindings[PipelineBase.UniformSetIndex][stageIndex];
|
|
int bindingsCount = stageBindings.Length;
|
|
int count;
|
|
|
|
for (int bindingIndex = 0; bindingIndex < bindingsCount; bindingIndex += count)
|
|
{
|
|
int binding = stageBindings[bindingIndex];
|
|
count = 1;
|
|
|
|
while (bindingIndex + count < bindingsCount && stageBindings[bindingIndex + count] == binding + count)
|
|
{
|
|
count++;
|
|
}
|
|
|
|
bool doUpdate = false;
|
|
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
int index = binding + i;
|
|
|
|
if (!_uniformSet[index])
|
|
{
|
|
UpdateBuffer(cbs, ref _uniformBuffers[index], _uniformBufferRefs[index], dummyBuffer);
|
|
_uniformSet[index] = true;
|
|
doUpdate = true;
|
|
}
|
|
}
|
|
|
|
if (doUpdate)
|
|
{
|
|
ReadOnlySpan<DescriptorBufferInfo> uniformBuffers = _uniformBuffers;
|
|
UpdateBuffers(cbs, pbp, binding, uniformBuffers.Slice(binding, count), DescriptorType.UniformBuffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
private void Initialize(CommandBufferScoped cbs, int setIndex, DescriptorSetCollection dsc)
|
|
{
|
|
var dummyBuffer = _dummyBuffer?.GetBuffer().Get(cbs).Value ?? default;
|
|
|
|
uint stages = _program.Stages;
|
|
|
|
while (stages != 0)
|
|
{
|
|
int stage = BitOperations.TrailingZeroCount(stages);
|
|
stages &= ~(1u << stage);
|
|
|
|
if (setIndex == PipelineBase.UniformSetIndex)
|
|
{
|
|
dsc.InitializeBuffers(
|
|
0,
|
|
1 + stage * Constants.MaxUniformBuffersPerStage,
|
|
Constants.MaxUniformBuffersPerStage,
|
|
DescriptorType.UniformBuffer,
|
|
dummyBuffer);
|
|
}
|
|
else if (setIndex == PipelineBase.StorageSetIndex)
|
|
{
|
|
dsc.InitializeBuffers(
|
|
0,
|
|
stage * Constants.MaxStorageBuffersPerStage,
|
|
Constants.MaxStorageBuffersPerStage,
|
|
DescriptorType.StorageBuffer,
|
|
dummyBuffer);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void SignalCommandBufferChange()
|
|
{
|
|
_dirty = DirtyFlags.All;
|
|
|
|
Array.Clear(_uniformSet);
|
|
Array.Clear(_storageSet);
|
|
}
|
|
|
|
protected virtual void Dispose(bool disposing)
|
|
{
|
|
if (disposing)
|
|
{
|
|
_dummyTexture.Dispose();
|
|
_dummySampler.Dispose();
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
}
|
|
}
|
|
}
|