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Ryujinx/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
riperiperi f23b2878cc
Shader: Add fallback for LDG from "ube" buffer ranges. (#4027)
We have a conversion from LDG on the compute shader to a special constant buffer binding that's used to exceed hardware limits on compute, but it was only running if the byte offset could be identified. The fallback that checks all of the bindings at runtime only checks the storage buffers.

This PR adds checking ube ranges to the LoadGlobal fallback. This extends the changes in #4011 to only check ube entries which are accessed by the shader.

Fixes particles affected by the wind in The Legend of Zelda: Breath of the Wild. May fix other weird issues with compute shaders in some games.

Try a bunch of games and drivers to make sure they don't blow up loading constants willynilly from searchable buffers.
2022-12-06 23:15:44 +00:00

724 lines
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25 KiB
C#

using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
namespace Ryujinx.Graphics.Shader.Translation
{
class ShaderConfig
{
// TODO: Non-hardcoded array size.
public const int SamplerArraySize = 4;
private const int ThreadsPerWarp = 32;
public ShaderStage Stage { get; }
public bool GpPassthrough { get; }
public bool LastInPipeline { get; private set; }
public bool LastInVertexPipeline { get; private set; }
public int ThreadsPerInputPrimitive { get; }
public OutputTopology OutputTopology { get; }
public int MaxOutputVertices { get; }
public int LocalMemorySize { get; }
public ImapPixelType[] ImapTypes { get; }
public int OmapTargets { get; }
public bool OmapSampleMask { get; }
public bool OmapDepth { get; }
public IGpuAccessor GpuAccessor { get; }
public TranslationOptions Options { get; }
public bool TransformFeedbackEnabled { get; }
public int Size { get; private set; }
public byte ClipDistancesWritten { get; private set; }
public FeatureFlags UsedFeatures { get; private set; }
public int Cb1DataSize { get; private set; }
public bool LayerOutputWritten { get; private set; }
public int LayerOutputAttribute { get; private set; }
public bool NextUsesFixedFuncAttributes { get; private set; }
public int UsedInputAttributes { get; private set; }
public int UsedOutputAttributes { get; private set; }
public HashSet<int> UsedInputAttributesPerPatch { get; }
public HashSet<int> UsedOutputAttributesPerPatch { get; }
public HashSet<int> NextUsedInputAttributesPerPatch { get; private set; }
public int PassthroughAttributes { get; private set; }
private int _nextUsedInputAttributes;
private int _thisUsedInputAttributes;
private Dictionary<int, int> _perPatchAttributeLocations;
public UInt128 NextInputAttributesComponents { get; private set; }
public UInt128 ThisInputAttributesComponents { get; private set; }
public int AccessibleStorageBuffersMask { get; private set; }
public int AccessibleConstantBuffersMask { get; private set; }
private int _usedConstantBuffers;
private int _usedStorageBuffers;
private int _usedStorageBuffersWrite;
private readonly record struct TextureInfo(int CbufSlot, int Handle, bool Indexed, TextureFormat Format);
private struct TextureMeta
{
public bool AccurateType;
public SamplerType Type;
public TextureUsageFlags UsageFlags;
}
private readonly Dictionary<TextureInfo, TextureMeta> _usedTextures;
private readonly Dictionary<TextureInfo, TextureMeta> _usedImages;
private BufferDescriptor[] _cachedConstantBufferDescriptors;
private BufferDescriptor[] _cachedStorageBufferDescriptors;
private TextureDescriptor[] _cachedTextureDescriptors;
private TextureDescriptor[] _cachedImageDescriptors;
private int _firstConstantBufferBinding;
private int _firstStorageBufferBinding;
public int FirstConstantBufferBinding => _firstConstantBufferBinding;
public int FirstStorageBufferBinding => _firstStorageBufferBinding;
public ShaderConfig(IGpuAccessor gpuAccessor, TranslationOptions options)
{
Stage = ShaderStage.Compute;
GpuAccessor = gpuAccessor;
Options = options;
AccessibleStorageBuffersMask = (1 << GlobalMemory.StorageMaxCount) - 1;
AccessibleConstantBuffersMask = (1 << GlobalMemory.UbeMaxCount) - 1;
UsedInputAttributesPerPatch = new HashSet<int>();
UsedOutputAttributesPerPatch = new HashSet<int>();
_usedTextures = new Dictionary<TextureInfo, TextureMeta>();
_usedImages = new Dictionary<TextureInfo, TextureMeta>();
}
public ShaderConfig(
ShaderStage stage,
OutputTopology outputTopology,
int maxOutputVertices,
IGpuAccessor gpuAccessor,
TranslationOptions options) : this(gpuAccessor, options)
{
Stage = stage;
ThreadsPerInputPrimitive = 1;
OutputTopology = outputTopology;
MaxOutputVertices = maxOutputVertices;
TransformFeedbackEnabled = gpuAccessor.QueryTransformFeedbackEnabled();
if (Stage != ShaderStage.Compute)
{
AccessibleConstantBuffersMask = 0;
}
}
public ShaderConfig(ShaderHeader header, IGpuAccessor gpuAccessor, TranslationOptions options) : this(gpuAccessor, options)
{
Stage = header.Stage;
GpPassthrough = header.Stage == ShaderStage.Geometry && header.GpPassthrough;
ThreadsPerInputPrimitive = header.ThreadsPerInputPrimitive;
OutputTopology = header.OutputTopology;
MaxOutputVertices = header.MaxOutputVertexCount;
LocalMemorySize = header.ShaderLocalMemoryLowSize + header.ShaderLocalMemoryHighSize + (header.ShaderLocalMemoryCrsSize / ThreadsPerWarp);
ImapTypes = header.ImapTypes;
OmapTargets = header.OmapTargets;
OmapSampleMask = header.OmapSampleMask;
OmapDepth = header.OmapDepth;
TransformFeedbackEnabled = gpuAccessor.QueryTransformFeedbackEnabled();
LastInPipeline = true;
LastInVertexPipeline = header.Stage < ShaderStage.Fragment;
}
public int GetDepthRegister()
{
// The depth register is always two registers after the last color output.
return BitOperations.PopCount((uint)OmapTargets) + 1;
}
public uint ConstantBuffer1Read(int offset)
{
if (Cb1DataSize < offset + 4)
{
Cb1DataSize = offset + 4;
}
return GpuAccessor.ConstantBuffer1Read(offset);
}
public TextureFormat GetTextureFormat(int handle, int cbufSlot = -1)
{
// When the formatted load extension is supported, we don't need to
// specify a format, we can just declare it without a format and the GPU will handle it.
if (GpuAccessor.QueryHostSupportsImageLoadFormatted())
{
return TextureFormat.Unknown;
}
var format = GpuAccessor.QueryTextureFormat(handle, cbufSlot);
if (format == TextureFormat.Unknown)
{
GpuAccessor.Log($"Unknown format for texture {handle}.");
format = TextureFormat.R8G8B8A8Unorm;
}
return format;
}
private bool FormatSupportsAtomic(TextureFormat format)
{
return format == TextureFormat.R32Sint || format == TextureFormat.R32Uint;
}
public TextureFormat GetTextureFormatAtomic(int handle, int cbufSlot = -1)
{
// Atomic image instructions do not support GL_EXT_shader_image_load_formatted,
// and must have a type specified. Default to R32Sint if not available.
var format = GpuAccessor.QueryTextureFormat(handle, cbufSlot);
if (!FormatSupportsAtomic(format))
{
GpuAccessor.Log($"Unsupported format for texture {handle}: {format}.");
format = TextureFormat.R32Sint;
}
return format;
}
public void SizeAdd(int size)
{
Size += size;
}
public void InheritFrom(ShaderConfig other)
{
ClipDistancesWritten |= other.ClipDistancesWritten;
UsedFeatures |= other.UsedFeatures;
UsedInputAttributes |= other.UsedInputAttributes;
UsedOutputAttributes |= other.UsedOutputAttributes;
_usedConstantBuffers |= other._usedConstantBuffers;
_usedStorageBuffers |= other._usedStorageBuffers;
_usedStorageBuffersWrite |= other._usedStorageBuffersWrite;
foreach (var kv in other._usedTextures)
{
if (!_usedTextures.TryAdd(kv.Key, kv.Value))
{
_usedTextures[kv.Key] = MergeTextureMeta(kv.Value, _usedTextures[kv.Key]);
}
}
foreach (var kv in other._usedImages)
{
if (!_usedImages.TryAdd(kv.Key, kv.Value))
{
_usedImages[kv.Key] = MergeTextureMeta(kv.Value, _usedImages[kv.Key]);
}
}
}
public void SetLayerOutputAttribute(int attr)
{
LayerOutputWritten = true;
LayerOutputAttribute = attr;
}
public void SetInputUserAttributeFixedFunc(int index)
{
UsedInputAttributes |= 1 << index;
}
public void SetOutputUserAttributeFixedFunc(int index)
{
UsedOutputAttributes |= 1 << index;
}
public void SetInputUserAttribute(int index, int component)
{
int mask = 1 << index;
UsedInputAttributes |= mask;
_thisUsedInputAttributes |= mask;
ThisInputAttributesComponents |= UInt128.One << (index * 4 + component);
}
public void SetInputUserAttributePerPatch(int index)
{
UsedInputAttributesPerPatch.Add(index);
}
public void SetOutputUserAttribute(int index)
{
UsedOutputAttributes |= 1 << index;
}
public void SetOutputUserAttributePerPatch(int index)
{
UsedOutputAttributesPerPatch.Add(index);
}
public void MergeFromtNextStage(ShaderConfig config)
{
NextInputAttributesComponents = config.ThisInputAttributesComponents;
NextUsedInputAttributesPerPatch = config.UsedInputAttributesPerPatch;
NextUsesFixedFuncAttributes = config.UsedFeatures.HasFlag(FeatureFlags.FixedFuncAttr);
MergeOutputUserAttributes(config.UsedInputAttributes, config.UsedInputAttributesPerPatch);
if (UsedOutputAttributesPerPatch.Count != 0)
{
// Regular and per-patch input/output locations can't overlap,
// so we must assign on our location using unused regular input/output locations.
Dictionary<int, int> locationsMap = new Dictionary<int, int>();
int freeMask = ~UsedOutputAttributes;
foreach (int attr in UsedOutputAttributesPerPatch)
{
int location = BitOperations.TrailingZeroCount(freeMask);
if (location == 32)
{
config.GpuAccessor.Log($"No enough free locations for patch input/output 0x{attr:X}.");
break;
}
locationsMap.Add(attr, location);
freeMask &= ~(1 << location);
}
// Both stages must agree on the locations, so use the same "map" for both.
_perPatchAttributeLocations = locationsMap;
config._perPatchAttributeLocations = locationsMap;
}
LastInPipeline = false;
// We don't consider geometry shaders using the geometry shader passthrough feature
// as being the last because when this feature is used, it can't actually modify any of the outputs,
// so the stage that comes before it is the last one that can do modifications.
if (config.Stage != ShaderStage.Fragment && (config.Stage != ShaderStage.Geometry || !config.GpPassthrough))
{
LastInVertexPipeline = false;
}
}
public void MergeOutputUserAttributes(int mask, IEnumerable<int> perPatch)
{
_nextUsedInputAttributes = mask;
if (GpPassthrough)
{
PassthroughAttributes = mask & ~UsedOutputAttributes;
}
else
{
UsedOutputAttributes |= mask;
UsedOutputAttributesPerPatch.UnionWith(perPatch);
}
}
public int GetPerPatchAttributeLocation(int index)
{
if (_perPatchAttributeLocations == null || !_perPatchAttributeLocations.TryGetValue(index, out int location))
{
return index;
}
return location;
}
public bool IsUsedOutputAttribute(int attr)
{
// The check for fixed function attributes on the next stage is conservative,
// returning false if the output is just not used by the next stage is also valid.
if (NextUsesFixedFuncAttributes &&
attr >= AttributeConsts.UserAttributeBase &&
attr < AttributeConsts.UserAttributeEnd)
{
int index = (attr - AttributeConsts.UserAttributeBase) >> 4;
return (_nextUsedInputAttributes & (1 << index)) != 0;
}
return true;
}
public int GetFreeUserAttribute(bool isOutput, int index)
{
int useMask = isOutput ? _nextUsedInputAttributes : _thisUsedInputAttributes;
int bit = -1;
while (useMask != -1)
{
bit = BitOperations.TrailingZeroCount(~useMask);
if (bit == 32)
{
bit = -1;
break;
}
else if (index < 1)
{
break;
}
useMask |= 1 << bit;
index--;
}
return bit;
}
public void SetAllInputUserAttributes()
{
UsedInputAttributes |= Constants.AllAttributesMask;
ThisInputAttributesComponents |= ~UInt128.Zero >> (128 - Constants.MaxAttributes * 4);
}
public void SetAllOutputUserAttributes()
{
UsedOutputAttributes |= Constants.AllAttributesMask;
}
public void SetClipDistanceWritten(int index)
{
ClipDistancesWritten |= (byte)(1 << index);
}
public void SetUsedFeature(FeatureFlags flags)
{
UsedFeatures |= flags;
}
public void SetAccessibleBufferMasks(int sbMask, int ubeMask)
{
AccessibleStorageBuffersMask = sbMask;
AccessibleConstantBuffersMask = ubeMask;
}
public void SetUsedConstantBuffer(int slot)
{
_usedConstantBuffers |= 1 << slot;
}
public void SetUsedStorageBuffer(int slot, bool write)
{
int mask = 1 << slot;
_usedStorageBuffers |= mask;
if (write)
{
_usedStorageBuffersWrite |= mask;
}
}
public void SetUsedTexture(
Instruction inst,
SamplerType type,
TextureFormat format,
TextureFlags flags,
int cbufSlot,
int handle)
{
inst &= Instruction.Mask;
bool isImage = inst == Instruction.ImageLoad || inst == Instruction.ImageStore || inst == Instruction.ImageAtomic;
bool isWrite = inst == Instruction.ImageStore || inst == Instruction.ImageAtomic;
bool accurateType = inst != Instruction.Lod && inst != Instruction.TextureSize;
bool coherent = flags.HasFlag(TextureFlags.Coherent);
if (isImage)
{
SetUsedTextureOrImage(_usedImages, cbufSlot, handle, type, format, true, isWrite, false, coherent);
}
else
{
bool intCoords = flags.HasFlag(TextureFlags.IntCoords) || inst == Instruction.TextureSize;
SetUsedTextureOrImage(_usedTextures, cbufSlot, handle, type, TextureFormat.Unknown, intCoords, false, accurateType, coherent);
}
GpuAccessor.RegisterTexture(handle, cbufSlot);
}
private void SetUsedTextureOrImage(
Dictionary<TextureInfo, TextureMeta> dict,
int cbufSlot,
int handle,
SamplerType type,
TextureFormat format,
bool intCoords,
bool write,
bool accurateType,
bool coherent)
{
var dimensions = type.GetDimensions();
var isIndexed = type.HasFlag(SamplerType.Indexed);
var usageFlags = TextureUsageFlags.None;
if (intCoords)
{
usageFlags |= TextureUsageFlags.NeedsScaleValue;
var canScale = Stage.SupportsRenderScale() && !isIndexed && !write && dimensions == 2;
if (!canScale)
{
// Resolution scaling cannot be applied to this texture right now.
// Flag so that we know to blacklist scaling on related textures when binding them.
usageFlags |= TextureUsageFlags.ResScaleUnsupported;
}
}
if (write)
{
usageFlags |= TextureUsageFlags.ImageStore;
}
if (coherent)
{
usageFlags |= TextureUsageFlags.ImageCoherent;
}
int arraySize = isIndexed ? SamplerArraySize : 1;
for (int layer = 0; layer < arraySize; layer++)
{
var info = new TextureInfo(cbufSlot, handle + layer * 2, isIndexed, format);
var meta = new TextureMeta()
{
AccurateType = accurateType,
Type = type,
UsageFlags = usageFlags
};
if (dict.TryGetValue(info, out var existingMeta))
{
dict[info] = MergeTextureMeta(meta, existingMeta);
}
else
{
dict.Add(info, meta);
}
}
}
private static TextureMeta MergeTextureMeta(TextureMeta meta, TextureMeta existingMeta)
{
meta.UsageFlags |= existingMeta.UsageFlags;
// If the texture we have has inaccurate type information, then
// we prefer the most accurate one.
if (existingMeta.AccurateType)
{
meta.AccurateType = true;
meta.Type = existingMeta.Type;
}
return meta;
}
public BufferDescriptor[] GetConstantBufferDescriptors()
{
if (_cachedConstantBufferDescriptors != null)
{
return _cachedConstantBufferDescriptors;
}
int usedMask = _usedConstantBuffers;
if (UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
{
usedMask |= (int)GpuAccessor.QueryConstantBufferUse();
}
return _cachedConstantBufferDescriptors = GetBufferDescriptors(
usedMask,
0,
UsedFeatures.HasFlag(FeatureFlags.CbIndexing),
out _firstConstantBufferBinding,
GpuAccessor.QueryBindingConstantBuffer);
}
public BufferDescriptor[] GetStorageBufferDescriptors()
{
if (_cachedStorageBufferDescriptors != null)
{
return _cachedStorageBufferDescriptors;
}
return _cachedStorageBufferDescriptors = GetBufferDescriptors(
_usedStorageBuffers,
_usedStorageBuffersWrite,
true,
out _firstStorageBufferBinding,
GpuAccessor.QueryBindingStorageBuffer);
}
private static BufferDescriptor[] GetBufferDescriptors(
int usedMask,
int writtenMask,
bool isArray,
out int firstBinding,
Func<int, int> getBindingCallback)
{
firstBinding = 0;
bool hasFirstBinding = false;
var descriptors = new BufferDescriptor[BitOperations.PopCount((uint)usedMask)];
int lastSlot = -1;
for (int i = 0; i < descriptors.Length; i++)
{
int slot = BitOperations.TrailingZeroCount(usedMask);
if (isArray)
{
// The next array entries also consumes bindings, even if they are unused.
for (int j = lastSlot + 1; j < slot; j++)
{
int binding = getBindingCallback(j);
if (!hasFirstBinding)
{
firstBinding = binding;
hasFirstBinding = true;
}
}
}
lastSlot = slot;
descriptors[i] = new BufferDescriptor(getBindingCallback(slot), slot);
if (!hasFirstBinding)
{
firstBinding = descriptors[i].Binding;
hasFirstBinding = true;
}
if ((writtenMask & (1 << slot)) != 0)
{
descriptors[i].SetFlag(BufferUsageFlags.Write);
}
usedMask &= ~(1 << slot);
}
return descriptors;
}
public TextureDescriptor[] GetTextureDescriptors()
{
return _cachedTextureDescriptors ??= GetTextureOrImageDescriptors(_usedTextures, GpuAccessor.QueryBindingTexture);
}
public TextureDescriptor[] GetImageDescriptors()
{
return _cachedImageDescriptors ??= GetTextureOrImageDescriptors(_usedImages, GpuAccessor.QueryBindingImage);
}
private static TextureDescriptor[] GetTextureOrImageDescriptors(Dictionary<TextureInfo, TextureMeta> dict, Func<int, bool, int> getBindingCallback)
{
var descriptors = new TextureDescriptor[dict.Count];
int i = 0;
foreach (var kv in dict.OrderBy(x => x.Key.Indexed).OrderBy(x => x.Key.Handle))
{
var info = kv.Key;
var meta = kv.Value;
bool isBuffer = (meta.Type & SamplerType.Mask) == SamplerType.TextureBuffer;
int binding = getBindingCallback(i, isBuffer);
descriptors[i] = new TextureDescriptor(binding, meta.Type, info.Format, info.CbufSlot, info.Handle);
descriptors[i].SetFlag(meta.UsageFlags);
i++;
}
return descriptors;
}
public (TextureDescriptor, int) FindTextureDescriptor(AstTextureOperation texOp)
{
TextureDescriptor[] descriptors = GetTextureDescriptors();
for (int i = 0; i < descriptors.Length; i++)
{
var descriptor = descriptors[i];
if (descriptor.CbufSlot == texOp.CbufSlot &&
descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format)
{
return (descriptor, i);
}
}
return (default, -1);
}
private static int FindDescriptorIndex(TextureDescriptor[] array, AstTextureOperation texOp)
{
for (int i = 0; i < array.Length; i++)
{
var descriptor = array[i];
if (descriptor.Type == texOp.Type &&
descriptor.CbufSlot == texOp.CbufSlot &&
descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format)
{
return i;
}
}
return -1;
}
public int FindTextureDescriptorIndex(AstTextureOperation texOp)
{
return FindDescriptorIndex(GetTextureDescriptors(), texOp);
}
public int FindImageDescriptorIndex(AstTextureOperation texOp)
{
return FindDescriptorIndex(GetImageDescriptors(), texOp);
}
public ShaderProgramInfo CreateProgramInfo()
{
return new ShaderProgramInfo(
GetConstantBufferDescriptors(),
GetStorageBufferDescriptors(),
GetTextureDescriptors(),
GetImageDescriptors(),
Stage,
UsedFeatures.HasFlag(FeatureFlags.InstanceId),
UsedFeatures.HasFlag(FeatureFlags.DrawParameters),
UsedFeatures.HasFlag(FeatureFlags.RtLayer),
ClipDistancesWritten,
OmapTargets);
}
}
}