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Add support for bindless textures from shader input (vertex buffer) on Vulkan (#6577)

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* Add support for bindless textures from shader input (vertex buffer)

* Shader cache version bump

* Format whitespace

* Remove cache entries on pool removal, disable for OpenGL

* PR feedback
This commit is contained in:
gdkchan 2024-04-22 15:05:55 -03:00 • committed by GitHub
parent 9b94662b4b
commit c6f8bfed90
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GPG key ID: B5690EEEBB952194
39 changed files with 1091 additions and 311 deletions
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86
src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessElimination.cs
View file

@ -1,6 +1,7 @@
using Ryujinx.Graphics.Shader.Instructions;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Shader.Translation.Optimizations
@ -31,7 +32,8 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
continue;
}
if (!TryConvertBindless(block, resourceManager, gpuAccessor, texOp))
if (!TryConvertBindless(block, resourceManager, gpuAccessor, texOp) &&
!GenerateBindlessAccess(block, resourceManager, gpuAccessor, texOp, node))
{
// If we can't do bindless elimination, remove the texture operation.
// Set any destination variables to zero.
@ -46,6 +48,88 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
}
}
private static bool GenerateBindlessAccess(
BasicBlock block,
ResourceManager resourceManager,
IGpuAccessor gpuAccessor,
TextureOperation texOp,
LinkedListNode<INode> node)
{
if (!gpuAccessor.QueryHostSupportsSeparateSampler())
{
// We depend on combining samplers and textures in the shader being supported for this.
return false;
}
Operand nvHandle = texOp.GetSource(0);
if (nvHandle.AsgOp is not Operation handleOp ||
handleOp.Inst != Instruction.Load ||
handleOp.StorageKind != StorageKind.Input)
{
// Right now, we only allow bindless access when the handle comes from a shader input.
// This is an artificial limitation to prevent it from being used in cases where it
// would have a large performance impact of loading all textures in the pool.
// It might be removed in the future, if we can mitigate the performance impact.
return false;
}
Operand textureHandle = OperandHelper.Local();
Operand samplerHandle = OperandHelper.Local();
Operand textureIndex = OperandHelper.Local();
block.Operations.AddBefore(node, new Operation(Instruction.BitwiseAnd, textureHandle, nvHandle, OperandHelper.Const(0xfffff)));
block.Operations.AddBefore(node, new Operation(Instruction.ShiftRightU32, samplerHandle, nvHandle, OperandHelper.Const(20)));
int texturePoolLength = Math.Max(BindlessToArray.MinimumArrayLength, gpuAccessor.QueryTextureArrayLengthFromPool());
block.Operations.AddBefore(node, new Operation(Instruction.MinimumU32, textureIndex, textureHandle, OperandHelper.Const(texturePoolLength - 1)));
texOp.SetSource(0, textureIndex);
bool hasSampler = !texOp.Inst.IsImage();
int textureBinding = resourceManager.GetTextureOrImageBinding(
texOp.Inst,
texOp.Type,
texOp.Format,
texOp.Flags & ~TextureFlags.Bindless,
0,
TextureHandle.PackOffsets(0, 0, TextureHandleType.Direct),
texturePoolLength,
hasSampler);
if (hasSampler)
{
Operand samplerIndex = OperandHelper.Local();
int samplerPoolLength = Math.Max(BindlessToArray.MinimumArrayLength, gpuAccessor.QuerySamplerArrayLengthFromPool());
block.Operations.AddBefore(node, new Operation(Instruction.MinimumU32, samplerIndex, samplerHandle, OperandHelper.Const(samplerPoolLength - 1)));
texOp.InsertSource(1, samplerIndex);
int samplerBinding = resourceManager.GetTextureOrImageBinding(
texOp.Inst,
SamplerType.None,
texOp.Format,
TextureFlags.None,
0,
TextureHandle.PackOffsets(0, 0, TextureHandleType.Direct),
samplerPoolLength);
texOp.TurnIntoArray(textureBinding, samplerBinding);
}
else
{
texOp.TurnIntoArray(textureBinding);
}
return true;
}
private static bool TryConvertBindless(BasicBlock block, ResourceManager resourceManager, IGpuAccessor gpuAccessor, TextureOperation texOp)
{
if (texOp.Inst == Instruction.TextureSample || texOp.Inst.IsTextureQuery())

2
src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessToArray.cs
View file

@ -11,7 +11,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
private const int HardcodedArrayLengthOgl = 4;
// 1 and 0 elements are not considered arrays anymore.
private const int MinimumArrayLength = 2;
public const int MinimumArrayLength = 2;
public static void RunPassOgl(BasicBlock block, ResourceManager resourceManager)
{

32
src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs
View file

@ -29,7 +29,7 @@ namespace Ryujinx.Graphics.Shader.Translation
private readonly HashSet<int> _usedConstantBufferBindings;
private readonly record struct TextureInfo(int CbufSlot, int Handle, int ArrayLength, SamplerType Type, TextureFormat Format);
private readonly record struct TextureInfo(int CbufSlot, int Handle, int ArrayLength, bool Separate, SamplerType Type, TextureFormat Format);
private struct TextureMeta
{
@ -225,7 +225,8 @@ namespace Ryujinx.Graphics.Shader.Translation
TextureFlags flags,
int cbufSlot,
int handle,
int arrayLength = 1)
int arrayLength = 1,
bool separate = false)
{
inst &= Instruction.Mask;
bool isImage = inst.IsImage();
@ -239,7 +240,18 @@ namespace Ryujinx.Graphics.Shader.Translation
format = TextureFormat.Unknown;
}
int binding = GetTextureOrImageBinding(cbufSlot, handle, arrayLength, type, format, isImage, intCoords, isWrite, accurateType, coherent);
int binding = GetTextureOrImageBinding(
cbufSlot,
handle,
arrayLength,
type,
format,
isImage,
intCoords,
isWrite,
accurateType,
coherent,
separate);
_gpuAccessor.RegisterTexture(handle, cbufSlot);
@ -256,9 +268,10 @@ namespace Ryujinx.Graphics.Shader.Translation
bool intCoords,
bool write,
bool accurateType,
bool coherent)
bool coherent,
bool separate)
{
var dimensions = type.GetDimensions();
var dimensions = type == SamplerType.None ? 0 : type.GetDimensions();
var dict = isImage ? _usedImages : _usedTextures;
var usageFlags = TextureUsageFlags.None;
@ -290,7 +303,7 @@ namespace Ryujinx.Graphics.Shader.Translation
// For array textures, we also want to use type as key,
// since we may have texture handles stores in the same buffer, but for textures with different types.
var keyType = arrayLength > 1 ? type : SamplerType.None;
var info = new TextureInfo(cbufSlot, handle, arrayLength, keyType, format);
var info = new TextureInfo(cbufSlot, handle, arrayLength, separate, keyType, format);
var meta = new TextureMeta()
{
AccurateType = accurateType,
@ -332,6 +345,10 @@ namespace Ryujinx.Graphics.Shader.Translation
? $"{prefix}_tcb_{handle:X}_{format.ToGlslFormat()}"
: $"{prefix}_cb{cbufSlot}_{handle:X}_{format.ToGlslFormat()}";
}
else if (type == SamplerType.None)
{
nameSuffix = cbufSlot < 0 ? $"s_tcb_{handle:X}" : $"s_cb{cbufSlot}_{handle:X}";
}
else
{
nameSuffix = cbufSlot < 0 ? $"{prefix}_tcb_{handle:X}" : $"{prefix}_cb{cbufSlot}_{handle:X}";
@ -341,6 +358,7 @@ namespace Ryujinx.Graphics.Shader.Translation
isImage ? 3 : 2,
binding,
arrayLength,
separate,
$"{_stagePrefix}_{nameSuffix}",
meta.Type,
info.Format,
@ -495,6 +513,7 @@ namespace Ryujinx.Graphics.Shader.Translation
info.CbufSlot,
info.Handle,
info.ArrayLength,
info.Separate,
meta.UsageFlags));
}
@ -514,6 +533,7 @@ namespace Ryujinx.Graphics.Shader.Translation
info.CbufSlot,
info.Handle,
info.ArrayLength,
info.Separate,
meta.UsageFlags));
}
}

6
src/Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
View file

@ -413,7 +413,7 @@ namespace Ryujinx.Graphics.Shader.Translation
if (Stage == ShaderStage.Vertex)
{
int ibBinding = resourceManager.Reservations.IndexBufferTextureBinding;
TextureDefinition indexBuffer = new(2, ibBinding, 1, "ib_data", SamplerType.TextureBuffer, TextureFormat.Unknown, TextureUsageFlags.None);
TextureDefinition indexBuffer = new(2, ibBinding, "ib_data", SamplerType.TextureBuffer);
resourceManager.Properties.AddOrUpdateTexture(indexBuffer);
int inputMap = _program.AttributeUsage.UsedInputAttributes;
@ -422,7 +422,7 @@ namespace Ryujinx.Graphics.Shader.Translation
{
int location = BitOperations.TrailingZeroCount(inputMap);
int binding = resourceManager.Reservations.GetVertexBufferTextureBinding(location);
TextureDefinition vaBuffer = new(2, binding, 1, $"vb_data{location}", SamplerType.TextureBuffer, TextureFormat.Unknown, TextureUsageFlags.None);
TextureDefinition vaBuffer = new(2, binding, $"vb_data{location}", SamplerType.TextureBuffer);
resourceManager.Properties.AddOrUpdateTexture(vaBuffer);
inputMap &= ~(1 << location);
@ -431,7 +431,7 @@ namespace Ryujinx.Graphics.Shader.Translation
else if (Stage == ShaderStage.Geometry)
{
int trbBinding = resourceManager.Reservations.TopologyRemapBufferTextureBinding;
TextureDefinition remapBuffer = new(2, trbBinding, 1, "trb_data", SamplerType.TextureBuffer, TextureFormat.Unknown, TextureUsageFlags.None);
TextureDefinition remapBuffer = new(2, trbBinding, "trb_data", SamplerType.TextureBuffer);
resourceManager.Properties.AddOrUpdateTexture(remapBuffer);
int geometryVbOutputSbBinding = resourceManager.Reservations.GeometryVertexOutputStorageBufferBinding;