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Make sure attributes used on subsequent shader stages are initialized (#2538)

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This commit is contained in:
gdkchan 2021-08-11 17:27:00 -03:00 committed by GitHub
parent 10d649e6d3
commit ed754af8d5
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 347 additions and 262 deletions
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196
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
View file

@ -38,7 +38,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Version of the codegen (to be changed when codegen or guest format change).
/// </summary>
private const ulong ShaderCodeGenVersion = 2494;
private const ulong ShaderCodeGenVersion = 2538;
// Progress reporting helpers
private volatile int _shaderCount;
@ -290,6 +290,43 @@ namespace Ryujinx.Graphics.Gpu.Shader
{
Task compileTask = Task.Run(() =>
{
TranslatorContext[] shaderContexts = null;
if (!isHostProgramValid)
{
shaderContexts = new TranslatorContext[1 + entries.Length];
for (int i = 0; i < entries.Length; i++)
{
GuestShaderCacheEntry entry = entries[i];
if (entry == null)
{
continue;
}
var binaryCode = new Memory<byte>(entry.Code);
var gpuAccessor = new CachedGpuAccessor(
_context,
binaryCode,
binaryCode.Slice(binaryCode.Length - entry.Header.Cb1DataSize),
entry.Header.GpuAccessorHeader,
entry.TextureDescriptors);
var options = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags);
shaderContexts[i + 1] = Translator.CreateContext(0, gpuAccessor, options, counts);
if (entry.Header.SizeA != 0)
{
var options2 = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags | TranslationFlags.VertexA);
shaderContexts[0] = Translator.CreateContext((ulong)entry.Header.Size, gpuAccessor, options2, counts);
}
}
}
// Reconstruct code holder.
for (int i = 0; i < entries.Length; i++)
{
@ -301,9 +338,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
}
ShaderProgram program;
if (entry.Header.SizeA != 0)
{
ShaderProgramInfo shaderProgramInfo;
if (isHostProgramValid)
@ -313,58 +347,20 @@ namespace Ryujinx.Graphics.Gpu.Shader
}
else
{
var binaryCode = new Memory<byte>(entry.Code);
int stageIndex = i + 1;
var gpuAccessor = new CachedGpuAccessor(
_context,
binaryCode,
binaryCode.Slice(binaryCode.Length - entry.Header.Cb1DataSize),
entry.Header.GpuAccessorHeader,
entry.TextureDescriptors);
TranslatorContext currentStage = shaderContexts[stageIndex];
TranslatorContext nextStage = GetNextStageContext(shaderContexts, stageIndex);
TranslatorContext vertexA = stageIndex == 1 ? shaderContexts[0] : null;
var options = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags);
var options2 = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags | TranslationFlags.VertexA);
TranslatorContext translatorContext = Translator.CreateContext(0, gpuAccessor, options, counts);
TranslatorContext translatorContext2 = Translator.CreateContext((ulong)entry.Header.Size, gpuAccessor, options2, counts);
program = translatorContext.Translate(out shaderProgramInfo, translatorContext2);
program = currentStage.Translate(out shaderProgramInfo, nextStage, vertexA);
}
// NOTE: Vertex B comes first in the shader cache.
byte[] code = entry.Code.AsSpan().Slice(0, entry.Header.Size - entry.Header.Cb1DataSize).ToArray();
byte[] code2 = entry.Code.AsSpan().Slice(entry.Header.Size, entry.Header.SizeA).ToArray();
byte[] code2 = entry.Header.SizeA != 0 ? entry.Code.AsSpan().Slice(entry.Header.Size, entry.Header.SizeA).ToArray() : null;
shaders[i] = new ShaderCodeHolder(program, shaderProgramInfo, code, code2);
}
else
{
ShaderProgramInfo shaderProgramInfo;
if (isHostProgramValid)
{
program = new ShaderProgram(entry.Header.Stage, "");
shaderProgramInfo = hostShaderEntries[i].ToShaderProgramInfo();
}
else
{
var binaryCode = new Memory<byte>(entry.Code);
var gpuAccessor = new CachedGpuAccessor(
_context,
binaryCode,
binaryCode.Slice(binaryCode.Length - entry.Header.Cb1DataSize),
entry.Header.GpuAccessorHeader,
entry.TextureDescriptors);
var options = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags);
program = Translator.CreateContext(0, gpuAccessor, options, counts).Translate(out shaderProgramInfo);
}
byte[] code = entry.Code.AsSpan().Slice(0, entry.Header.Size - entry.Header.Cb1DataSize).ToArray();
shaders[i] = new ShaderCodeHolder(program, shaderProgramInfo, code);
}
shaderPrograms.Add(program);
}
@ -591,7 +587,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
}
// The shader isn't currently cached, translate it and compile it.
ShaderCodeHolder shader = TranslateShader(channel.MemoryManager, shaderContexts[0]);
ShaderCodeHolder shader = TranslateShader(_dumper, channel.MemoryManager, shaderContexts[0], null, null);
shader.HostShader = _context.Renderer.CompileShader(ShaderStage.Compute, shader.Program.Code);
@ -715,11 +711,10 @@ namespace Ryujinx.Graphics.Gpu.Shader
// The shader isn't currently cached, translate it and compile it.
ShaderCodeHolder[] shaders = new ShaderCodeHolder[Constants.ShaderStages];
shaders[0] = TranslateShader(channel.MemoryManager, shaderContexts[1], shaderContexts[0]);
shaders[1] = TranslateShader(channel.MemoryManager, shaderContexts[2]);
shaders[2] = TranslateShader(channel.MemoryManager, shaderContexts[3]);
shaders[3] = TranslateShader(channel.MemoryManager, shaderContexts[4]);
shaders[4] = TranslateShader(channel.MemoryManager, shaderContexts[5]);
for (int stageIndex = 0; stageIndex < Constants.ShaderStages; stageIndex++)
{
shaders[stageIndex] = TranslateShader(_dumper, channel.MemoryManager, shaderContexts, stageIndex + 1);
}
List<IShader> hostShaders = new List<IShader>();
@ -942,53 +937,94 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// <summary>
/// Translates a previously generated translator context to something that the host API accepts.
/// </summary>
/// <param name="dumper">Optional shader code dumper</param>
/// <param name="memoryManager">Memory manager used to access the GPU memory where the shader is located</param>
/// <param name="translatorContext">Current translator context to translate</param>
/// <param name="translatorContext2">Optional translator context of the shader that should be combined</param>
/// <param name="stages">Translator context of all available shader stages</param>
/// <param name="stageIndex">Index on the stages array to translate</param>
/// <returns>Compiled graphics shader code</returns>
private ShaderCodeHolder TranslateShader(
private static ShaderCodeHolder TranslateShader(
ShaderDumper dumper,
MemoryManager memoryManager,
TranslatorContext translatorContext,
TranslatorContext translatorContext2 = null)
TranslatorContext[] stages,
int stageIndex)
{
if (translatorContext == null)
TranslatorContext currentStage = stages[stageIndex];
TranslatorContext nextStage = GetNextStageContext(stages, stageIndex);
TranslatorContext vertexA = stageIndex == 1 ? stages[0] : null;
return TranslateShader(dumper, memoryManager, currentStage, nextStage, vertexA);
}
/// <summary>
/// Gets the next shader stage context, from an array of contexts and index of the current stage.
/// </summary>
/// <param name="stages">Translator context of all available shader stages</param>
/// <param name="stageIndex">Index on the stages array to translate</param>
/// <returns>The translator context of the next stage, or null if inexistent</returns>
private static TranslatorContext GetNextStageContext(TranslatorContext[] stages, int stageIndex)
{
for (int nextStageIndex = stageIndex + 1; nextStageIndex < stages.Length; nextStageIndex++)
{
if (stages[nextStageIndex] != null)
{
return stages[nextStageIndex];
}
}
return null;
}
/// <summary>
/// Translates a previously generated translator context to something that the host API accepts.
/// </summary>
/// <param name="dumper">Optional shader code dumper</param>
/// <param name="memoryManager">Memory manager used to access the GPU memory where the shader is located</param>
/// <param name="currentStage">Translator context of the stage to be translated</param>
/// <param name="nextStage">Translator context of the next active stage, if existent</param>
/// <param name="vertexA">Optional translator context of the shader that should be combined</param>
/// <returns>Compiled graphics shader code</returns>
private static ShaderCodeHolder TranslateShader(
ShaderDumper dumper,
MemoryManager memoryManager,
TranslatorContext currentStage,
TranslatorContext nextStage,
TranslatorContext vertexA)
{
if (currentStage == null)
{
return null;
}
if (translatorContext2 != null)
if (vertexA != null)
{
byte[] codeA = memoryManager.GetSpan(translatorContext2.Address, translatorContext2.Size).ToArray();
byte[] codeB = memoryManager.GetSpan(translatorContext.Address, translatorContext.Size).ToArray();
byte[] codeA = memoryManager.GetSpan(vertexA.Address, vertexA.Size).ToArray();
byte[] codeB = memoryManager.GetSpan(currentStage.Address, currentStage.Size).ToArray();
_dumper.Dump(codeA, compute: false, out string fullPathA, out string codePathA);
_dumper.Dump(codeB, compute: false, out string fullPathB, out string codePathB);
ShaderDumpPaths pathsA = default;
ShaderDumpPaths pathsB = default;
ShaderProgram program = translatorContext.Translate(out ShaderProgramInfo shaderProgramInfo, translatorContext2);
if (fullPathA != null && fullPathB != null && codePathA != null && codePathB != null)
if (dumper != null)
{
program.Prepend("// " + codePathB);
program.Prepend("// " + fullPathB);
program.Prepend("// " + codePathA);
program.Prepend("// " + fullPathA);
pathsA = dumper.Dump(codeA, compute: false);
pathsB = dumper.Dump(codeB, compute: false);
}
ShaderProgram program = currentStage.Translate(out ShaderProgramInfo shaderProgramInfo, nextStage, vertexA);
pathsB.Prepend(program);
pathsA.Prepend(program);
return new ShaderCodeHolder(program, shaderProgramInfo, codeB, codeA);
}
else
{
byte[] code = memoryManager.GetSpan(translatorContext.Address, translatorContext.Size).ToArray();
byte[] code = memoryManager.GetSpan(currentStage.Address, currentStage.Size).ToArray();
_dumper.Dump(code, translatorContext.Stage == ShaderStage.Compute, out string fullPath, out string codePath);
ShaderDumpPaths paths = dumper?.Dump(code, currentStage.Stage == ShaderStage.Compute) ?? default;
ShaderProgram program = translatorContext.Translate(out ShaderProgramInfo shaderProgramInfo);
ShaderProgram program = currentStage.Translate(out ShaderProgramInfo shaderProgramInfo, nextStage);
if (fullPath != null && codePath != null)
{
program.Prepend("// " + codePath);
program.Prepend("// " + fullPath);
}
paths.Prepend(program);
return new ShaderCodeHolder(program, shaderProgramInfo, code);
}

49
Ryujinx.Graphics.Gpu/Shader/ShaderDumpPaths.cs Normal file
View file

@ -0,0 +1,49 @@
using Ryujinx.Graphics.Shader;
namespace Ryujinx.Graphics.Gpu.Shader
{
/// <summary>
/// Paths where shader code was dumped on disk.
/// </summary>
struct ShaderDumpPaths
{
/// <summary>
/// Path where the full shader code with header was dumped, or null if not dumped.
/// </summary>
public string FullPath { get; }
/// <summary>
/// Path where the shader code without header was dumped, or null if not dumped.
/// </summary>
public string CodePath { get; }
/// <summary>
/// True if the shader was dumped, false otherwise.
/// </summary>
public bool HasPath => FullPath != null && CodePath != null;
/// <summary>
/// Creates a new shader dumps path structure.
/// </summary>
/// <param name="fullPath">Path where the full shader code with header was dumped, or null if not dumped</param>
/// <param name="codePath">Path where the shader code without header was dumped, or null if not dumped</param>
public ShaderDumpPaths(string fullPath, string codePath)
{
FullPath = fullPath;
CodePath = codePath;
}
/// <summary>
/// Prepends the shader paths on the program source, as a comment.
/// </summary>
/// <param name="program">Program to prepend into</param>
public void Prepend(ShaderProgram program)
{
if (HasPath)
{
program.Prepend("// " + CodePath);
program.Prepend("// " + FullPath);
}
}
}
}

18
Ryujinx.Graphics.Gpu/Shader/ShaderDumper.cs
View file

@ -1,4 +1,4 @@
using System;
using Ryujinx.Graphics.Shader;
using System.IO;
namespace Ryujinx.Graphics.Gpu.Shader
@ -30,24 +30,20 @@ namespace Ryujinx.Graphics.Gpu.Shader
/// </summary>
/// <param name="code">Code to be dumped</param>
/// <param name="compute">True for compute shader code, false for graphics shader code</param>
/// <param name="fullPath">Output path for the shader code with header included</param>
/// <param name="codePath">Output path for the shader code without header</param>
public void Dump(byte[] code, bool compute, out string fullPath, out string codePath)
/// <returns>Paths where the shader code was dumped</returns>
public ShaderDumpPaths Dump(byte[] code, bool compute)
{
_dumpPath = GraphicsConfig.ShadersDumpPath;
if (string.IsNullOrWhiteSpace(_dumpPath))
{
fullPath = null;
codePath = null;
return;
return default;
}
string fileName = "Shader" + CurrentDumpIndex.ToString("d4") + ".bin";
fullPath = Path.Combine(FullDir(), fileName);
codePath = Path.Combine(CodeDir(), fileName);
string fullPath = Path.Combine(FullDir(), fileName);
string codePath = Path.Combine(CodeDir(), fileName);
CurrentDumpIndex++;
@ -73,6 +69,8 @@ namespace Ryujinx.Graphics.Gpu.Shader
{
codeWriter.Write(0);
}
return new ShaderDumpPaths(fullPath, codePath);
}
/// <summary>

63
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -3,14 +3,12 @@ using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using System;
using System.Linq;
using System.Numerics;
namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
static class Declarations
{
// At least 16 attributes are guaranteed by the spec.
public const int MaxAttributes = 16;
public static void Declare(CodeGenContext context, StructuredProgramInfo info)
{
context.AppendLine("#version 450 core");
@ -129,14 +127,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
context.AppendLine();
}
if (info.IAttributes.Count != 0 || context.Config.GpPassthrough)
if (context.Config.UsedInputAttributes != 0 || context.Config.GpPassthrough)
{
DeclareInputAttributes(context, info);
context.AppendLine();
}
if (info.OAttributes.Count != 0 || context.Config.Stage != ShaderStage.Fragment)
if (context.Config.UsedOutputAttributes != 0 || context.Config.Stage != ShaderStage.Fragment)
{
DeclareOutputAttributes(context, info);
@ -404,24 +402,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
private static void DeclareInputAttributes(CodeGenContext context, StructuredProgramInfo info)
{
if (context.Config.GpPassthrough)
int usedAttribtes = context.Config.UsedInputAttributes;
while (usedAttribtes != 0)
{
for (int attr = 0; attr < MaxAttributes; attr++)
{
DeclareInputAttribute(context, info, attr);
}
int index = BitOperations.TrailingZeroCount(usedAttribtes);
foreach (int attr in info.IAttributes.OrderBy(x => x).Where(x => x >= MaxAttributes))
{
DeclareInputAttribute(context, info, attr);
}
}
else
{
foreach (int attr in info.IAttributes.OrderBy(x => x))
{
DeclareInputAttribute(context, info, attr);
}
DeclareInputAttribute(context, info, index);
usedAttribtes &= ~(1 << index);
}
}
@ -440,8 +428,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
};
}
string pass = context.Config.GpPassthrough && !info.OAttributes.Contains(attr) ? "passthrough, " : string.Empty;
string pass = (context.Config.PassthroughAttributes & (1 << attr)) != 0 ? "passthrough, " : string.Empty;
string name = $"{DefaultNames.IAttributePrefix}{attr}";
if ((context.Config.Options.Flags & TranslationFlags.Feedback) != 0)
@ -461,34 +448,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
private static void DeclareOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
{
if (context.Config.Stage == ShaderStage.Fragment || context.Config.GpPassthrough)
int usedAttribtes = context.Config.UsedOutputAttributes;
while (usedAttribtes != 0)
{
DeclareUsedOutputAttributes(context, info);
}
else
{
DeclareAllOutputAttributes(context, info);
}
}
int index = BitOperations.TrailingZeroCount(usedAttribtes);
private static void DeclareUsedOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
{
foreach (int attr in info.OAttributes.OrderBy(x => x))
{
DeclareOutputAttribute(context, attr);
}
}
DeclareOutputAttribute(context, index);
private static void DeclareAllOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
{
for (int attr = 0; attr < MaxAttributes; attr++)
{
DeclareOutputAttribute(context, attr);
}
foreach (int attr in info.OAttributes.OrderBy(x => x).Where(x => x >= MaxAttributes))
{
DeclareOutputAttribute(context, attr);
usedAttribtes &= ~(1 << index);
}
}

40
Ryujinx.Graphics.Shader/CodeGen/Glsl/GlslGenerator.cs
View file

@ -49,46 +49,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
Declarations.DeclareLocals(context, function);
if (funcName == MainFunctionName)
{
// Some games will leave some elements of gl_Position uninitialized,
// in those cases, the elements will contain undefined values according
// to the spec, but on NVIDIA they seems to be always initialized to (0, 0, 0, 1),
// so we do explicit initialization to avoid UB on non-NVIDIA gpus.
if (context.Config.Stage == ShaderStage.Vertex)
{
context.AppendLine("gl_Position = vec4(0.0, 0.0, 0.0, 1.0);");
}
// Ensure that unused attributes are set, otherwise the downstream
// compiler may eliminate them.
// (Not needed for fragment shader as it is the last stage).
if (context.Config.Stage != ShaderStage.Compute &&
context.Config.Stage != ShaderStage.Fragment &&
!context.Config.GpPassthrough)
{
for (int attr = 0; attr < Declarations.MaxAttributes; attr++)
{
if (info.OAttributes.Contains(attr))
{
continue;
}
if ((context.Config.Options.Flags & TranslationFlags.Feedback) != 0)
{
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_x = 0.0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_y = 0.0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_z = 0.0;");
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr}_w = 1.0;");
}
else
{
context.AppendLine($"{DefaultNames.OAttributePrefix}{attr} = vec4(0.0, 0.0, 0.0, 1.0);");
}
}
}
}
PrintBlock(context, function.MainBlock);
context.LeaveScope();

49
Ryujinx.Graphics.Shader/Decoders/Decoder.cs
View file

@ -1,4 +1,5 @@
using Ryujinx.Graphics.Shader.Instructions;
using Ryujinx.Graphics.Shader.Translation;
using System;
using System.Collections.Generic;
using System.Linq;
@ -9,10 +10,8 @@ namespace Ryujinx.Graphics.Shader.Decoders
{
static class Decoder
{
public static Block[][] Decode(IGpuAccessor gpuAccessor, ulong startAddress, out bool hasBindless)
public static Block[][] Decode(ShaderConfig config, ulong startAddress)
{
hasBindless = false;
List<Block[]> funcs = new List<Block[]>();
Queue<ulong> funcQueue = new Queue<ulong>();
@ -90,8 +89,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
}
}
FillBlock(gpuAccessor, currBlock, limitAddress, startAddress, out bool blockHasBindless);
hasBindless |= blockHasBindless;
FillBlock(config, currBlock, limitAddress, startAddress);
if (currBlock.OpCodes.Count != 0)
{
@ -168,7 +166,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
for (int i = 0; i < cbOffsetsCount; i++)
{
uint targetOffset = gpuAccessor.ConstantBuffer1Read(cbBaseOffset + i * 4);
uint targetOffset = config.GpuAccessor.ConstantBuffer1Read(cbBaseOffset + i * 4);
Block target = GetBlock(baseOffset + targetOffset);
opBrIndir.PossibleTargets.Add(target);
target.Predecessors.Add(block);
@ -224,15 +222,11 @@ namespace Ryujinx.Graphics.Shader.Decoders
return false;
}
private static void FillBlock(
IGpuAccessor gpuAccessor,
Block block,
ulong limitAddress,
ulong startAddress,
out bool hasBindless)
private static void FillBlock(ShaderConfig config, Block block, ulong limitAddress, ulong startAddress)
{
IGpuAccessor gpuAccessor = config.GpuAccessor;
ulong address = block.Address;
hasBindless = false;
do
{
@ -274,13 +268,38 @@ namespace Ryujinx.Graphics.Shader.Decoders
OpCode op = makeOp(emitter, opAddress, opCode);
// We check these patterns to figure out the presence of bindless access
hasBindless |= (op is OpCodeImage image && image.IsBindless) ||
if ((op is OpCodeImage image && image.IsBindless) ||
(op is OpCodeTxd txd && txd.IsBindless) ||
(op is OpCodeTld4B) ||
(emitter == InstEmit.TexB) ||
(emitter == InstEmit.TldB) ||
(emitter == InstEmit.TmmlB) ||
(emitter == InstEmit.TxqB);
(emitter == InstEmit.TxqB))
{
config.SetUsedFeature(FeatureFlags.Bindless);
}
// Populate used attributes.
if (op is IOpCodeAttribute opAttr)
{
for (int elemIndex = 0; elemIndex < opAttr.Count; elemIndex++)
{
int attr = opAttr.AttributeOffset + elemIndex * 4;
if (attr >= AttributeConsts.UserAttributeBase && attr < AttributeConsts.UserAttributeEnd)
{
int index = (attr - AttributeConsts.UserAttributeBase) / 16;
if (op.Emitter == InstEmit.Ast)
{
config.SetOutputUserAttribute(index);
}
else
{
config.SetInputUserAttribute(index);
}
}
}
}
block.OpCodes.Add(op);
}

8
Ryujinx.Graphics.Shader/Decoders/IOpCodeAttribute.cs Normal file
View file

@ -0,0 +1,8 @@
namespace Ryujinx.Graphics.Shader.Decoders
{
interface IOpCodeAttribute
{
int AttributeOffset { get; }
int Count { get; }
}
}

2
Ryujinx.Graphics.Shader/Decoders/OpCodeAttribute.cs
View file

@ -2,7 +2,7 @@ using Ryujinx.Graphics.Shader.Instructions;
namespace Ryujinx.Graphics.Shader.Decoders
{
class OpCodeAttribute : OpCodeAluReg
class OpCodeAttribute : OpCodeAluReg, IOpCodeAttribute
{
public int AttributeOffset { get; }
public int Count { get; }

3
Ryujinx.Graphics.Shader/Decoders/OpCodeIpa.cs
View file

@ -2,9 +2,10 @@ using Ryujinx.Graphics.Shader.Instructions;
namespace Ryujinx.Graphics.Shader.Decoders
{
class OpCodeIpa : OpCodeAluReg
class OpCodeIpa : OpCodeAluReg, IOpCodeAttribute
{
public int AttributeOffset { get; }
public int Count => 1;
public InterpolationMode Mode { get; }

35
Ryujinx.Graphics.Shader/StructuredIr/StructuredProgramContext.cs
View file

@ -277,21 +277,11 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
public AstOperand GetOperandDef(Operand operand)
{
if (TryGetUserAttributeIndex(operand, out int attrIndex))
{
Info.OAttributes.Add(attrIndex);
}
return GetOperand(operand);
}
public AstOperand GetOperandUse(Operand operand)
{
if (TryGetUserAttributeIndex(operand, out int attrIndex))
{
Info.IAttributes.Add(attrIndex);
}
return GetOperand(operand);
}
@ -318,30 +308,5 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
return astOperand;
}
private static bool TryGetUserAttributeIndex(Operand operand, out int attrIndex)
{
if (operand.Type == OperandType.Attribute)
{
if (operand.Value >= AttributeConsts.UserAttributeBase &&
operand.Value < AttributeConsts.UserAttributeEnd)
{
attrIndex = (operand.Value - AttributeConsts.UserAttributeBase) >> 4;
return true;
}
else if (operand.Value >= AttributeConsts.FragmentOutputColorBase &&
operand.Value < AttributeConsts.FragmentOutputColorEnd)
{
attrIndex = (operand.Value - AttributeConsts.FragmentOutputColorBase) >> 4;
return true;
}
}
attrIndex = 0;
return false;
}
}
}

6
Ryujinx.Graphics.Shader/StructuredIr/StructuredProgramInfo.cs
View file

@ -6,17 +6,11 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
{
public List<StructuredFunction> Functions { get; }
public HashSet<int> IAttributes { get; }
public HashSet<int> OAttributes { get; }
public HelperFunctionsMask HelperFunctionsMask { get; set; }
public StructuredProgramInfo()
{
Functions = new List<StructuredFunction>();
IAttributes = new HashSet<int>();
OAttributes = new HashSet<int>();
}
}
}

3
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
View file

@ -15,6 +15,8 @@ namespace Ryujinx.Graphics.Shader.Translation
public bool IsNonMain { get; }
public int OperationsCount => _operations.Count;
private readonly IReadOnlyDictionary<ulong, int> _funcs;
private readonly List<Operation> _operations;
private readonly Dictionary<ulong, Operand> _labels;
@ -200,6 +202,7 @@ namespace Ryujinx.Graphics.Shader.Translation
if (target.Enabled)
{
Config.SetOutputUserAttribute(rtIndex);
regIndexBase += 4;
}
}

28
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -41,6 +41,10 @@ namespace Ryujinx.Graphics.Shader.Translation
private readonly TranslationCounts _counts;
public int UsedInputAttributes { get; private set; }
public int UsedOutputAttributes { get; private set; }
public int PassthroughAttributes { get; private set; }
private int _usedConstantBuffers;
private int _usedStorageBuffers;
private int _usedStorageBuffersWrite;
@ -170,6 +174,8 @@ namespace Ryujinx.Graphics.Shader.Translation
TextureHandlesForCache.UnionWith(other.TextureHandlesForCache);
UsedInputAttributes |= other.UsedInputAttributes;
UsedOutputAttributes |= other.UsedOutputAttributes;
_usedConstantBuffers |= other._usedConstantBuffers;
_usedStorageBuffers |= other._usedStorageBuffers;
_usedStorageBuffersWrite |= other._usedStorageBuffersWrite;
@ -191,6 +197,28 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
public void SetInputUserAttribute(int index)
{
UsedInputAttributes |= 1 << index;
}
public void SetOutputUserAttribute(int index)
{
UsedOutputAttributes |= 1 << index;
}
public void MergeOutputUserAttributes(int mask)
{
if (GpPassthrough)
{
PassthroughAttributes = mask & ~UsedOutputAttributes;
}
else
{
UsedOutputAttributes |= mask;
}
}
public void SetClipDistanceWritten(int index)
{
ClipDistancesWritten |= (byte)(1 << index);

57
Ryujinx.Graphics.Shader/Translation/Translator.cs
View file

@ -5,6 +5,7 @@ using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation.Optimizations;
using System;
using System.Collections.Generic;
using System.Numerics;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
@ -120,24 +121,17 @@ namespace Ryujinx.Graphics.Shader.Translation
Block[][] cfg;
ulong maxEndAddress = 0;
bool hasBindless;
if ((options.Flags & TranslationFlags.Compute) != 0)
{
config = new ShaderConfig(gpuAccessor, options, counts);
cfg = Decoder.Decode(gpuAccessor, address, out hasBindless);
cfg = Decoder.Decode(config, address);
}
else
{
config = new ShaderConfig(new ShaderHeader(gpuAccessor, address), gpuAccessor, options, counts);
cfg = Decoder.Decode(gpuAccessor, address + HeaderSize, out hasBindless);
}
if (hasBindless)
{
config.SetUsedFeature(FeatureFlags.Bindless);
cfg = Decoder.Decode(config, address + HeaderSize);
}
for (int funcIndex = 0; funcIndex < cfg.Length; funcIndex++)
@ -151,7 +145,7 @@ namespace Ryujinx.Graphics.Shader.Translation
maxEndAddress = block.EndAddress;
}
if (!hasBindless)
if (!config.UsedFeatures.HasFlag(FeatureFlags.Bindless))
{
for (int index = 0; index < block.OpCodes.Count; index++)
{
@ -169,8 +163,10 @@ namespace Ryujinx.Graphics.Shader.Translation
return cfg;
}
internal static FunctionCode[] EmitShader(Block[][] cfg, ShaderConfig config)
internal static FunctionCode[] EmitShader(Block[][] cfg, ShaderConfig config, bool initializeOutputs, out int initializationOperations)
{
initializationOperations = 0;
Dictionary<ulong, int> funcIds = new Dictionary<ulong, int>();
for (int funcIndex = 0; funcIndex < cfg.Length; funcIndex++)
@ -184,6 +180,12 @@ namespace Ryujinx.Graphics.Shader.Translation
{
EmitterContext context = new EmitterContext(config, funcIndex != 0, funcIds);
if (initializeOutputs && funcIndex == 0)
{
EmitOutputsInitialization(context, config);
initializationOperations = context.OperationsCount;
}
for (int blkIndex = 0; blkIndex < cfg[funcIndex].Length; blkIndex++)
{
Block block = cfg[funcIndex][blkIndex];
@ -201,6 +203,39 @@ namespace Ryujinx.Graphics.Shader.Translation
return funcs.ToArray();
}
private static void EmitOutputsInitialization(EmitterContext context, ShaderConfig config)
{
// Compute has no output attributes, and fragment is the last stage, so we
// don't need to initialize outputs on those stages.
if (config.Stage == ShaderStage.Compute || config.Stage == ShaderStage.Fragment)
{
return;
}
void InitializeOutput(int baseAttr)
{
for (int c = 0; c < 4; c++)
{
context.Copy(Attribute(baseAttr + c * 4), ConstF(c == 3 ? 1f : 0f));
}
}
if (config.Stage == ShaderStage.Vertex)
{
InitializeOutput(AttributeConsts.PositionX);
}
int usedAttribtes = context.Config.UsedOutputAttributes;
while (usedAttribtes != 0)
{
int index = BitOperations.TrailingZeroCount(usedAttribtes);
InitializeOutput(AttributeConsts.UserAttributeBase + index * 16);
usedAttribtes &= ~(1 << index);
}
}
private static void EmitOps(EmitterContext context, Block block)
{
for (int opIndex = 0; opIndex < block.OpCodes.Count; opIndex++)

32
Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
View file

@ -38,7 +38,7 @@ namespace Ryujinx.Graphics.Shader.Translation
operand.Value < AttributeConsts.UserAttributeEnd;
}
private static FunctionCode[] Combine(FunctionCode[] a, FunctionCode[] b)
private static FunctionCode[] Combine(FunctionCode[] a, FunctionCode[] b, int aStart)
{
// Here we combine two shaders.
// For shader A:
@ -57,7 +57,7 @@ namespace Ryujinx.Graphics.Shader.Translation
Operand lblB = Label();
for (int index = 0; index < a[0].Code.Length; index++)
for (int index = aStart; index < a[0].Code.Length; index++)
{
Operation operation = a[0].Code[index];
@ -102,11 +102,21 @@ namespace Ryujinx.Graphics.Shader.Translation
Operand temp = temps[(src.Value - AttributeConsts.UserAttributeBase) / 4];
if (temp != null)
{
// TODO: LoadAttribute should accept any integer value as first argument,
// then we don't need special case here. Right now it expects the first
// operand to be of type "attribute".
if ((operation.Inst & Instruction.Mask) == Instruction.LoadAttribute)
{
operation.TurnIntoCopy(temp);
}
else
{
operation.SetSource(srcIndex, temp);
}
}
}
}
ops.Add(operation);
}
@ -126,13 +136,25 @@ namespace Ryujinx.Graphics.Shader.Translation
return output;
}
public ShaderProgram Translate(out ShaderProgramInfo shaderProgramInfo, TranslatorContext other = null)
public ShaderProgram Translate(
out ShaderProgramInfo shaderProgramInfo,
TranslatorContext nextStage = null,
TranslatorContext other = null)
{
FunctionCode[] code = EmitShader(_cfg, _config);
if (nextStage != null)
{
_config.MergeOutputUserAttributes(nextStage._config.UsedInputAttributes);
}
FunctionCode[] code = EmitShader(_cfg, _config, initializeOutputs: other == null, out _);
if (other != null)
{
code = Combine(EmitShader(other._cfg, other._config), code);
other._config.MergeOutputUserAttributes(_config.UsedOutputAttributes);
FunctionCode[] otherCode = EmitShader(other._cfg, other._config, initializeOutputs: true, out int aStart);
code = Combine(otherCode, code, aStart);
_config.InheritFrom(other._config);
}