mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-04 20:47:56 +01:00
59900d7f00
* Unscale textureSize when resolution scaling is used * Fix textureSize on compute * Flag texture size as needing res scale values too
429 lines
14 KiB
C#
429 lines
14 KiB
C#
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Numerics;
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namespace Ryujinx.Graphics.Shader.Translation
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{
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class ShaderConfig
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{
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// TODO: Non-hardcoded array size.
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public const int SamplerArraySize = 4;
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public ShaderStage Stage { get; }
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public bool GpPassthrough { get; }
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public OutputTopology OutputTopology { get; }
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public int MaxOutputVertices { get; }
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public int LocalMemorySize { get; }
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public ImapPixelType[] ImapTypes { get; }
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public OmapTarget[] OmapTargets { get; }
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public bool OmapSampleMask { get; }
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public bool OmapDepth { get; }
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public IGpuAccessor GpuAccessor { get; }
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public TranslationOptions Options { get; }
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public int Size { get; private set; }
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public byte ClipDistancesWritten { get; private set; }
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public FeatureFlags UsedFeatures { get; private set; }
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public HashSet<int> TextureHandlesForCache { get; }
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private readonly TranslationCounts _counts;
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private int _usedConstantBuffers;
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private int _usedStorageBuffers;
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private int _usedStorageBuffersWrite;
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private struct TextureInfo : IEquatable<TextureInfo>
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{
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public int CbufSlot { get; }
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public int Handle { get; }
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public bool Indexed { get; }
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public TextureFormat Format { get; }
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public TextureInfo(int cbufSlot, int handle, bool indexed, TextureFormat format)
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{
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CbufSlot = cbufSlot;
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Handle = handle;
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Indexed = indexed;
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Format = format;
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}
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public override bool Equals(object obj)
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{
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return obj is TextureInfo other && Equals(other);
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}
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public bool Equals(TextureInfo other)
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{
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return CbufSlot == other.CbufSlot && Handle == other.Handle && Indexed == other.Indexed && Format == other.Format;
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}
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public override int GetHashCode()
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{
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return HashCode.Combine(CbufSlot, Handle, Indexed, Format);
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}
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}
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private struct TextureMeta
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{
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public bool AccurateType;
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public SamplerType Type;
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public TextureUsageFlags UsageFlags;
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}
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private readonly Dictionary<TextureInfo, TextureMeta> _usedTextures;
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private readonly Dictionary<TextureInfo, TextureMeta> _usedImages;
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private BufferDescriptor[] _cachedConstantBufferDescriptors;
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private BufferDescriptor[] _cachedStorageBufferDescriptors;
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private TextureDescriptor[] _cachedTextureDescriptors;
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private TextureDescriptor[] _cachedImageDescriptors;
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public int FirstConstantBufferBinding { get; private set; }
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public int FirstStorageBufferBinding { get; private set; }
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public ShaderConfig(IGpuAccessor gpuAccessor, TranslationOptions options, TranslationCounts counts)
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{
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Stage = ShaderStage.Compute;
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GpuAccessor = gpuAccessor;
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Options = options;
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_counts = counts;
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TextureHandlesForCache = new HashSet<int>();
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_usedTextures = new Dictionary<TextureInfo, TextureMeta>();
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_usedImages = new Dictionary<TextureInfo, TextureMeta>();
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}
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public ShaderConfig(ShaderHeader header, IGpuAccessor gpuAccessor, TranslationOptions options, TranslationCounts counts) : this(gpuAccessor, options, counts)
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{
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Stage = header.Stage;
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GpPassthrough = header.Stage == ShaderStage.Geometry && header.GpPassthrough;
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OutputTopology = header.OutputTopology;
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MaxOutputVertices = header.MaxOutputVertexCount;
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LocalMemorySize = header.ShaderLocalMemoryLowSize + header.ShaderLocalMemoryHighSize;
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ImapTypes = header.ImapTypes;
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OmapTargets = header.OmapTargets;
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OmapSampleMask = header.OmapSampleMask;
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OmapDepth = header.OmapDepth;
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}
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public int GetDepthRegister()
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{
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int count = 0;
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for (int index = 0; index < OmapTargets.Length; index++)
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{
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for (int component = 0; component < 4; component++)
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{
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if (OmapTargets[index].ComponentEnabled(component))
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{
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count++;
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}
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}
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}
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// The depth register is always two registers after the last color output.
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return count + 1;
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}
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public TextureFormat GetTextureFormat(int handle, int cbufSlot = -1)
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{
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// When the formatted load extension is supported, we don't need to
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// specify a format, we can just declare it without a format and the GPU will handle it.
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if (GpuAccessor.QuerySupportsImageLoadFormatted())
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{
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return TextureFormat.Unknown;
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}
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var format = GpuAccessor.QueryTextureFormat(handle, cbufSlot);
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if (format == TextureFormat.Unknown)
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{
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GpuAccessor.Log($"Unknown format for texture {handle}.");
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format = TextureFormat.R8G8B8A8Unorm;
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}
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return format;
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}
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public void SizeAdd(int size)
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{
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Size += size;
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}
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public void InheritFrom(ShaderConfig other)
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{
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ClipDistancesWritten |= other.ClipDistancesWritten;
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UsedFeatures |= other.UsedFeatures;
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TextureHandlesForCache.UnionWith(other.TextureHandlesForCache);
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_usedConstantBuffers |= other._usedConstantBuffers;
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_usedStorageBuffers |= other._usedStorageBuffers;
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_usedStorageBuffersWrite |= other._usedStorageBuffersWrite;
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foreach (var kv in other._usedTextures)
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{
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if (!_usedTextures.TryAdd(kv.Key, kv.Value))
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{
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_usedTextures[kv.Key] = MergeTextureMeta(kv.Value, _usedTextures[kv.Key]);
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}
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}
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foreach (var kv in other._usedImages)
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{
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if (!_usedImages.TryAdd(kv.Key, kv.Value))
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{
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_usedImages[kv.Key] = MergeTextureMeta(kv.Value, _usedImages[kv.Key]);
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}
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}
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}
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public void SetClipDistanceWritten(int index)
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{
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ClipDistancesWritten |= (byte)(1 << index);
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}
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public void SetUsedFeature(FeatureFlags flags)
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{
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UsedFeatures |= flags;
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}
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public Operand CreateCbuf(int slot, int offset)
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{
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SetUsedConstantBuffer(slot);
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return OperandHelper.Cbuf(slot, offset);
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}
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public void SetUsedConstantBuffer(int slot)
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{
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_usedConstantBuffers |= 1 << slot;
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}
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public void SetUsedStorageBuffer(int slot, bool write)
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{
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int mask = 1 << slot;
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_usedStorageBuffers |= mask;
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if (write)
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{
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_usedStorageBuffersWrite |= mask;
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}
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}
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public void SetUsedTexture(
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Instruction inst,
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SamplerType type,
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TextureFormat format,
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TextureFlags flags,
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int cbufSlot,
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int handle)
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{
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inst &= Instruction.Mask;
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bool isImage = inst == Instruction.ImageLoad || inst == Instruction.ImageStore;
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bool isWrite = inst == Instruction.ImageStore;
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bool accurateType = inst != Instruction.TextureSize && inst != Instruction.Lod;
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if (isImage)
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{
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SetUsedTextureOrImage(_usedImages, cbufSlot, handle, type, format, true, isWrite, false);
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}
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else
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{
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bool intCoords = flags.HasFlag(TextureFlags.IntCoords) || inst == Instruction.TextureSize;
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SetUsedTextureOrImage(_usedTextures, cbufSlot, handle, type, TextureFormat.Unknown, intCoords, false, accurateType);
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}
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}
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private void SetUsedTextureOrImage(
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Dictionary<TextureInfo, TextureMeta> dict,
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int cbufSlot,
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int handle,
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SamplerType type,
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TextureFormat format,
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bool intCoords,
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bool write,
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bool accurateType)
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{
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var dimensions = type.GetDimensions();
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var isIndexed = type.HasFlag(SamplerType.Indexed);
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var usageFlags = TextureUsageFlags.None;
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if (intCoords)
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{
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usageFlags |= TextureUsageFlags.NeedsScaleValue;
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var canScale = (Stage == ShaderStage.Fragment || Stage == ShaderStage.Compute) && !isIndexed && !write && dimensions == 2;
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if (!canScale)
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{
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// Resolution scaling cannot be applied to this texture right now.
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// Flag so that we know to blacklist scaling on related textures when binding them.
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usageFlags |= TextureUsageFlags.ResScaleUnsupported;
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}
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}
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if (write)
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{
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usageFlags |= TextureUsageFlags.ImageStore;
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}
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int arraySize = isIndexed ? SamplerArraySize : 1;
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for (int layer = 0; layer < arraySize; layer++)
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{
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var info = new TextureInfo(cbufSlot, handle + layer * 2, isIndexed, format);
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var meta = new TextureMeta()
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{
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AccurateType = accurateType,
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Type = type,
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UsageFlags = usageFlags
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};
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if (dict.TryGetValue(info, out var existingMeta))
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{
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dict[info] = MergeTextureMeta(meta, existingMeta);
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}
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else
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{
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dict.Add(info, meta);
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}
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}
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}
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private static TextureMeta MergeTextureMeta(TextureMeta meta, TextureMeta existingMeta)
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{
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meta.UsageFlags |= existingMeta.UsageFlags;
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// If the texture we have has inaccurate type information, then
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// we prefer the most accurate one.
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if (existingMeta.AccurateType)
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{
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meta.AccurateType = true;
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meta.Type = existingMeta.Type;
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}
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return meta;
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}
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public BufferDescriptor[] GetConstantBufferDescriptors()
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{
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if (_cachedConstantBufferDescriptors != null)
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{
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return _cachedConstantBufferDescriptors;
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}
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int usedMask = _usedConstantBuffers;
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if (UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
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{
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usedMask |= (int)GpuAccessor.QueryConstantBufferUse();
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}
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FirstConstantBufferBinding = _counts.UniformBuffersCount;
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return _cachedConstantBufferDescriptors = GetBufferDescriptors(
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usedMask,
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0,
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UsedFeatures.HasFlag(FeatureFlags.CbIndexing),
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_counts.IncrementUniformBuffersCount);
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}
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public BufferDescriptor[] GetStorageBufferDescriptors()
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{
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if (_cachedStorageBufferDescriptors != null)
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{
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return _cachedStorageBufferDescriptors;
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}
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FirstStorageBufferBinding = _counts.StorageBuffersCount;
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return _cachedStorageBufferDescriptors = GetBufferDescriptors(
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_usedStorageBuffers,
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_usedStorageBuffersWrite,
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true,
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_counts.IncrementStorageBuffersCount);
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}
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private static BufferDescriptor[] GetBufferDescriptors(
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int usedMask,
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int writtenMask,
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bool isArray,
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Func<int> getBindingCallback)
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{
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var descriptors = new BufferDescriptor[BitOperations.PopCount((uint)usedMask)];
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int lastSlot = -1;
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for (int i = 0; i < descriptors.Length; i++)
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{
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int slot = BitOperations.TrailingZeroCount(usedMask);
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if (isArray)
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{
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// The next array entries also consumes bindings, even if they are unused.
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for (int j = lastSlot + 1; j < slot; j++)
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{
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getBindingCallback();
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}
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}
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lastSlot = slot;
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descriptors[i] = new BufferDescriptor(getBindingCallback(), slot);
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if ((writtenMask & (1 << slot)) != 0)
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{
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descriptors[i].SetFlag(BufferUsageFlags.Write);
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}
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usedMask &= ~(1 << slot);
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}
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return descriptors;
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}
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public TextureDescriptor[] GetTextureDescriptors()
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{
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return _cachedTextureDescriptors ??= GetTextureOrImageDescriptors(_usedTextures, _counts.IncrementTexturesCount);
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}
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public TextureDescriptor[] GetImageDescriptors()
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{
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return _cachedImageDescriptors ??= GetTextureOrImageDescriptors(_usedImages, _counts.IncrementImagesCount);
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}
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private static TextureDescriptor[] GetTextureOrImageDescriptors(Dictionary<TextureInfo, TextureMeta> dict, Func<int> getBindingCallback)
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{
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var descriptors = new TextureDescriptor[dict.Count];
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int i = 0;
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foreach (var kv in dict.OrderBy(x => x.Key.Indexed).OrderBy(x => x.Key.Handle))
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{
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var info = kv.Key;
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var meta = kv.Value;
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int binding = getBindingCallback();
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descriptors[i] = new TextureDescriptor(binding, meta.Type, info.Format, info.CbufSlot, info.Handle);
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descriptors[i].SetFlag(meta.UsageFlags);
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i++;
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}
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return descriptors;
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}
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}
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} |