public void DecompileTest(string baseFilename)
{
string compiledShaderFilename = $"CompiledShaders{Path.DirectorySeparatorChar}{baseFilename}.fxc";
string asmExpectedFilename = $"ShaderAssembly{Path.DirectorySeparatorChar}{baseFilename}.asm";
string hlslExpectedFilename = $"ShaderSources{Path.DirectorySeparatorChar}{baseFilename}.fx";
string asmOutputFilename = $"{baseFilename}.asm";
string hlslOutputFilename = $"{baseFilename}.fx";
ShaderModel shader;
var inputStream = File.Open(compiledShaderFilename, FileMode.Open, FileAccess.Read);
using (var input = new ShaderReader(inputStream, true))
{
shader = input.ReadShader();
}
var asmWriter = new AsmWriter(shader);
asmWriter.Write(asmOutputFilename);
var hlslWriter = new HlslWriter(shader, true);
hlslWriter.Write(hlslOutputFilename);
FileAssert.AreEqual(asmExpectedFilename, asmOutputFilename, "Assembly not equal");
FileAssert.AreEqual(hlslExpectedFilename, hlslOutputFilename, "HLSL not equal");
}
public void AsmMatchesFxc(string relPath)
{
string file = $"{ShaderDirectory}/{relPath}";
// Arrange.
var asmFileText = string.Join(Environment.NewLine,
File.ReadAllLines(file + ".asm").Select(x => x.Trim()));
asmFileText = TestUtils.NormalizeAssembly(asmFileText);
// Act.
var bytecode = File.ReadAllBytes(file + ".o");
var shader = ShaderReader.ReadShader(bytecode);
var asmWriter = new AsmWriter(shader);
string decompiledAsm = "";
using (var stream = new MemoryStream())
{
asmWriter.Write(stream);
stream.Position = 0;
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
decompiledAsm = reader.ReadToEnd();
}
}
var decompiledAsmText = string.Join(Environment.NewLine, decompiledAsm
.Split(new[] { Environment.NewLine }, StringSplitOptions.None)
.Select(x => x.Trim()));
File.WriteAllText($"{file}.d.asm", decompiledAsm);
// Assert.
Assert.That(decompiledAsmText, Is.EqualTo(asmFileText));
}