forked from MoonsideGames/Refresh
Added shader cross-compiler using glslc and spirv-cross
parent
f7250ab12a
commit
2b773101c8
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using System;
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using System.IO;
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using System.Diagnostics;
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partial class Program
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{
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public static int Main(string[] args)
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{
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if (args.Length < 2)
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{
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Console.WriteLine("Usage: refreshc <path-to-glsl> <output-directory>");
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return 1;
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}
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string glslPath = args[0];
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string outputDir = args[1];
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if (!ValidateArgs(glslPath, outputDir))
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{
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return 1;
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}
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string shaderName = Path.GetFileNameWithoutExtension(glslPath);
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string shaderType = Path.GetExtension(glslPath);
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string spirvPath = Path.Combine(outputDir, $"{shaderName}.spv");
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if (CompileGlslToSpirv(glslPath, shaderName, spirvPath) != 0)
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{
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return 1;
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}
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string hlslPath = Path.Combine(outputDir, $"{shaderName}.hlsl");
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if (TranslateSpirvToHlsl(spirvPath, hlslPath) != 0)
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{
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return 1;
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}
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// FIXME: Is there a cross-platform way to compile HLSL to DXBC?
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#if PS5
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if (TranslateHlslToPS5(hlslPath, shaderName, shaderType, outputDir) != 0)
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{
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return 1;
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}
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#endif
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return 0;
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}
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static bool ValidateArgs(string glslPath, string outputDir)
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{
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if (!File.Exists(glslPath))
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{
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Console.WriteLine($"refreshc: glsl source file ({glslPath}) does not exist");
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return false;
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}
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string ext = Path.GetExtension(glslPath);
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if (ext != ".vert" && ext != ".frag" && ext != ".comp")
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{
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Console.WriteLine("refreshc: Expected glsl source file with extension '.vert', '.frag', or '.comp'");
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return false;
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}
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if (!Directory.Exists(outputDir))
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{
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Console.WriteLine($"refreshc: Output directory ({outputDir}) does not exist");
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return false;
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}
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return true;
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}
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static int CompileGlslToSpirv(string glslPath, string shaderName, string outputPath)
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{
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Process glslc = Process.Start(
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"glslc",
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$"{glslPath} -o {outputPath}"
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);
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glslc.WaitForExit();
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if (glslc.ExitCode != 0)
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{
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Console.WriteLine($"refreshc: Could not compile GLSL code");
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return 1;
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}
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return 0;
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}
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static int TranslateSpirvToHlsl(string spirvPath, string outputPath)
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{
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Process spirvcross = Process.Start(
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"spirv-cross",
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$"{spirvPath} --hlsl --shader-model 50 --output {outputPath}"
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);
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spirvcross.WaitForExit();
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if (spirvcross.ExitCode != 0)
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{
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Console.WriteLine($"refreshc: Could not translate SPIR-V to HLSL");
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return 1;
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}
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return 0;
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}
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}
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@ -0,0 +1,9 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net7.0</TargetFramework>
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<TargetName>refreshc</TargetName>
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</PropertyGroup>
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</Project>
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