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shadertools: Prepare for new target Languages and APIs (#2465)

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* shadertools: Prepare for new target Langugaes and APIs

This improves shader tools command line by adding support for target
language and api.

* Address gdkchan's comments
This commit is contained in:
Mary 2021-07-18 12:49:39 +02:00 committed by GitHub
parent ca5ac37cd6
commit 97a2133207
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 87 additions and 19 deletions
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12
Ryujinx.Graphics.Shader/ShaderProgram.cs
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@ -7,13 +7,23 @@ namespace Ryujinx.Graphics.Shader
public ShaderStage Stage { get; }
public string Code { get; private set; }
public byte[] BinaryCode { get; }
public ShaderProgram(ShaderStage stage, string code)
private ShaderProgram(ShaderStage stage)
{
Stage = stage;
}
public ShaderProgram(ShaderStage stage, string code) : this(stage)
{
Code = code;
}
public ShaderProgram(ShaderStage stage, byte[] binaryCode) : this(stage)
{
BinaryCode = binaryCode;
}
public void Prepend(string line)
{
Code = line + Environment.NewLine + Code;

3
Ryujinx.Graphics.Shader/Translation/TargetLanguage.cs
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@ -3,6 +3,7 @@ namespace Ryujinx.Graphics.Shader.Translation
public enum TargetLanguage
{
Glsl,
Spirv
Spirv,
Arb
}
}

14
Ryujinx.Graphics.Shader/Translation/Translator.cs
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@ -3,6 +3,7 @@ using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation.Optimizations;
using System;
using System.Collections.Generic;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
@ -87,7 +88,16 @@ namespace Ryujinx.Graphics.Shader.Translation
StructuredProgramInfo sInfo = StructuredProgram.MakeStructuredProgram(funcs, config);
string glslCode = GlslGenerator.Generate(sInfo, config);
ShaderProgram program;
switch (config.Options.TargetLanguage)
{
case TargetLanguage.Glsl:
program = new ShaderProgram(config.Stage, GlslGenerator.Generate(sInfo, config));
break;
default:
throw new NotImplementedException(config.Options.TargetLanguage.ToString());
}
shaderProgramInfo = new ShaderProgramInfo(
config.GetConstantBufferDescriptors(),
@ -97,7 +107,7 @@ namespace Ryujinx.Graphics.Shader.Translation
config.UsedFeatures.HasFlag(FeatureFlags.InstanceId),
config.ClipDistancesWritten);
return new ShaderProgram(config.Stage, glslCode);
return program;
}
private static Block[][] DecodeShader(

61
Ryujinx.ShaderTools/Program.cs
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@ -1,4 +1,5 @@
using Ryujinx.Graphics.Shader;
using CommandLine;
using Ryujinx.Graphics.Shader;
using Ryujinx.Graphics.Shader.Translation;
using System;
using System.IO;
@ -23,28 +24,70 @@ namespace Ryujinx.ShaderTools
}
}
static void Main(string[] args)
private class Options
{
if (args.Length == 1 || args.Length == 2)
[Option("compute", Required = false, Default = false, HelpText = "Indicate that the shader is a compute shader.")]
public bool Compute { get; set; }
[Option("target-language", Required = false, Default = TargetLanguage.Glsl, HelpText = "Indicate the target shader language to use.")]
public TargetLanguage TargetLanguage { get; set; }
[Option("target-api", Required = false, Default = TargetApi.OpenGL, HelpText = "Indicate the target graphics api to use.")]
public TargetApi TargetApi { get; set; }
[Value(0, MetaName = "input", HelpText = "Binary Maxwell shader input path.", Required = true)]
public string InputPath { get; set; }
[Value(1, MetaName = "output", HelpText = "Decompiled shader output path.", Required = false)]
public string OutputPath { get; set; }
}
static void HandleArguments(Options options)
{
TranslationFlags flags = TranslationFlags.DebugMode;
if (args.Length == 2 && args[0] == "--compute")
if (options.Compute)
{
flags |= TranslationFlags.Compute;
}
byte[] data = File.ReadAllBytes(args[^1]);
byte[] data = File.ReadAllBytes(options.InputPath);
TranslationOptions options = new TranslationOptions(TargetLanguage.Glsl, TargetApi.OpenGL, flags);
string code = Translator.CreateContext(0, new GpuAccessor(data), options).Translate(out _).Code;
TranslationOptions translationOptions = new TranslationOptions(options.TargetLanguage, options.TargetApi, flags);
Console.WriteLine(code);
ShaderProgram program = Translator.CreateContext(0, new GpuAccessor(data), translationOptions).Translate(out _);
if (options.OutputPath == null)
{
if (program.BinaryCode != null)
{
using Stream outputStream = Console.OpenStandardOutput();
outputStream.Write(program.BinaryCode);
}
else
{
Console.WriteLine("Usage: Ryujinx.ShaderTools [--compute] shader.bin");
Console.WriteLine(program.Code);
}
}
else
{
if (program.BinaryCode != null)
{
File.WriteAllBytes(options.OutputPath, program.BinaryCode);
}
else
{
File.WriteAllText(options.OutputPath, program.Code);
}
}
}
static void Main(string[] args)
{
Parser.Default.ParseArguments<Options>(args)
.WithParsed(options => HandleArguments(options))
.WithNotParsed(errors => errors.Output());
}
}
}

4
Ryujinx.ShaderTools/Ryujinx.ShaderTools.csproj
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@ -11,4 +11,8 @@
<ProjectReference Include="..\Ryujinx.Graphics.Shader\Ryujinx.Graphics.Shader.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="CommandLineParser" Version="2.8.0" />
</ItemGroup>
</Project>