mirrors/ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Move gl_Layer from vertex to geometry if GPU does not support it on vertex (#3866)

Browse source 
* Move gl_Layer from vertex to geometry if GPU does not support it on vertex

* Shader cache version bump

* PR feedback
This commit is contained in:
gdkchan 2022-11-18 23:27:54 -03:00 • committed by GitHub
parent 7373ec5792
commit 2e43d01d36
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 190 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Ryujinx.Graphics.Shader/IGpuAccessor.cs
View file

@ -258,6 +258,15 @@ namespace Ryujinx.Graphics.Shader
return true;
}
/// <summary>
/// Queries host support for writes to Layer from vertex or tessellation shader stages.
/// </summary>
/// <returns>True if writes to layer from vertex or tessellation are supported, false otherwise</returns>
bool QueryHostSupportsLayerVertexTessellation()
{
return true;
}
/// <summary>
/// Queries host GPU non-constant texture offset support.
/// </summary>

14
Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs
View file

@ -278,13 +278,21 @@ namespace Ryujinx.Graphics.Shader.Instructions
private static int FixedFuncToUserAttribute(ShaderConfig config, int attr, bool isOutput)
{
if (attr >= AttributeConsts.FrontColorDiffuseR && attr < AttributeConsts.ClipDistance0)
bool supportsLayerFromVertexOrTess = config.GpuAccessor.QueryHostSupportsLayerVertexTessellation();
int fixedStartAttr = supportsLayerFromVertexOrTess ? 0 : 1;
if (attr == AttributeConsts.Layer && config.Stage != ShaderStage.Geometry && !supportsLayerFromVertexOrTess)
{
attr = FixedFuncToUserAttribute(config, attr, AttributeConsts.FrontColorDiffuseR, 0, isOutput);
attr = FixedFuncToUserAttribute(config, attr, AttributeConsts.Layer, 0, isOutput);
config.SetLayerOutputAttribute(attr);
}
else if (attr >= AttributeConsts.FrontColorDiffuseR && attr < AttributeConsts.ClipDistance0)
{
attr = FixedFuncToUserAttribute(config, attr, AttributeConsts.FrontColorDiffuseR, fixedStartAttr, isOutput);
}
else if (attr >= AttributeConsts.TexCoordBase && attr < AttributeConsts.TexCoordEnd)
{
attr = FixedFuncToUserAttribute(config, attr, AttributeConsts.TexCoordBase, 4, isOutput);
attr = FixedFuncToUserAttribute(config, attr, AttributeConsts.TexCoordBase, fixedStartAttr + 4, isOutput);
}
return attr;

38
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -48,6 +48,9 @@ namespace Ryujinx.Graphics.Shader.Translation
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; }
@ -131,6 +134,20 @@ namespace Ryujinx.Graphics.Shader.Translation
_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();
}
public ShaderConfig(ShaderHeader header, IGpuAccessor gpuAccessor, TranslationOptions options) : this(gpuAccessor, options)
{
Stage = header.Stage;
@ -240,6 +257,12 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
public void SetLayerOutputAttribute(int attr)
{
LayerOutputWritten = true;
LayerOutputAttribute = attr;
}
public void SetInputUserAttributeFixedFunc(int index)
{
UsedInputAttributes |= 1 << index;
@ -694,5 +717,20 @@ namespace Ryujinx.Graphics.Shader.Translation
{
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);
}
}
}

12
Ryujinx.Graphics.Shader/Translation/Translator.cs
View file

@ -79,17 +79,7 @@ namespace Ryujinx.Graphics.Shader.Translation
var sInfo = StructuredProgram.MakeStructuredProgram(funcs, config);
var info = new ShaderProgramInfo(
config.GetConstantBufferDescriptors(),
config.GetStorageBufferDescriptors(),
config.GetTextureDescriptors(),
config.GetImageDescriptors(),
config.Stage,
config.UsedFeatures.HasFlag(FeatureFlags.InstanceId),
config.UsedFeatures.HasFlag(FeatureFlags.DrawParameters),
config.UsedFeatures.HasFlag(FeatureFlags.RtLayer),
config.ClipDistancesWritten,
config.OmapTargets);
var info = config.CreateProgramInfo();
return config.Options.TargetLanguage switch
{

97
Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
View file

@ -1,7 +1,12 @@
using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.CodeGen.Glsl;
using Ryujinx.Graphics.Shader.CodeGen.Spirv;
using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
using static Ryujinx.Graphics.Shader.Translation.Translator;
@ -18,6 +23,7 @@ namespace Ryujinx.Graphics.Shader.Translation
public ShaderStage Stage => _config.Stage;
public int Size => _config.Size;
public int Cb1DataSize => _config.Cb1DataSize;
public bool LayerOutputWritten => _config.LayerOutputWritten;
public IGpuAccessor GpuAccessor => _config.GpuAccessor;
@ -149,5 +155,94 @@ namespace Ryujinx.Graphics.Shader.Translation
return Translator.Translate(code, _config);
}
public ShaderProgram GenerateGeometryPassthrough()
{
int outputAttributesMask = _config.UsedOutputAttributes;
int layerOutputAttr = _config.LayerOutputAttribute;
OutputTopology outputTopology;
int maxOutputVertices;
switch (GpuAccessor.QueryPrimitiveTopology())
{
case InputTopology.Points:
outputTopology = OutputTopology.PointList;
maxOutputVertices = 1;
break;
case InputTopology.Lines:
case InputTopology.LinesAdjacency:
outputTopology = OutputTopology.LineStrip;
maxOutputVertices = 2;
break;
default:
outputTopology = OutputTopology.TriangleStrip;
maxOutputVertices = 3;
break;
}
ShaderConfig config = new ShaderConfig(ShaderStage.Geometry, outputTopology, maxOutputVertices, GpuAccessor, _config.Options);
EmitterContext context = new EmitterContext(default, config, false);
for (int v = 0; v < maxOutputVertices; v++)
{
int outAttrsMask = outputAttributesMask;
while (outAttrsMask != 0)
{
int attrIndex = BitOperations.TrailingZeroCount(outAttrsMask);
outAttrsMask &= ~(1 << attrIndex);
for (int c = 0; c < 4; c++)
{
int attr = AttributeConsts.UserAttributeBase + attrIndex * 16 + c * 4;
Operand value = context.LoadAttribute(Const(attr), Const(0), Const(v));
if (attr == layerOutputAttr)
{
context.Copy(Attribute(AttributeConsts.Layer), value);
}
else
{
context.Copy(Attribute(attr), value);
config.SetOutputUserAttribute(attrIndex);
}
config.SetInputUserAttribute(attrIndex, c);
}
}
for (int c = 0; c < 4; c++)
{
int attr = AttributeConsts.PositionX + c * 4;
Operand value = context.LoadAttribute(Const(attr), Const(0), Const(v));
context.Copy(Attribute(attr), value);
}
context.EmitVertex();
}
context.EndPrimitive();
var operations = context.GetOperations();
var cfg = ControlFlowGraph.Create(operations);
var function = new Function(cfg.Blocks, "main", false, 0, 0);
var sInfo = StructuredProgram.MakeStructuredProgram(new[] { function }, config);
var info = config.CreateProgramInfo();
return config.Options.TargetLanguage switch
{
TargetLanguage.Glsl => new ShaderProgram(info, TargetLanguage.Glsl, GlslGenerator.Generate(sInfo, config)),
TargetLanguage.Spirv => new ShaderProgram(info, TargetLanguage.Spirv, SpirvGenerator.Generate(sInfo, config)),
_ => throw new NotImplementedException(config.Options.TargetLanguage.ToString())
};
}
}
}