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using System;
using System.Diagnostics;
using System.IO;
using Microsoft.Build.Framework;
namespace SpirVTasks {
public class IncludeFileNotFound : FileNotFoundException {
public string SourceFile;
public int SourceLine;
public IncludeFileNotFound(string srcFileName, int srcLine, string includeFileName) :
base ("include file not found", includeFileName) {
SourceFile = srcFileName;
SourceLine = srcLine;
}
}
public class CompileGLSLTask : Microsoft.Build.Utilities.Task {
[Required]
public ITaskItem SourceFile {
get;
set;
}
[Required]
public ITaskItem TempDirectory {
get;
set;
}
public ITaskItem AdditionalIncludeDirectories {
get;
set;
}
public ITaskItem SpirVCompilerPath {
get;
set;
}
[Required]
[Output]
public ITaskItem DestinationFile {
get;
set;
}
volatile bool success;
bool tryFindInclude (string include, out string incFile) {
if (!string.IsNullOrEmpty (AdditionalIncludeDirectories?.ItemSpec)) {
foreach (string incDir in AdditionalIncludeDirectories.ItemSpec.Split (';', ',', '|')) {
incFile = Path.Combine (incDir, include);
if (File.Exists (incFile))
return true;
}
}
incFile = "";
return false;
}
void build_source (string src, StreamWriter temp) {
using (StreamReader sr = new StreamReader (File.OpenRead (src))) {
int srcLine = 0;
while (!sr.EndOfStream) {
string line = sr.ReadLine ();
if (line.Trim ().StartsWith ("#include", StringComparison.Ordinal)) {
string include = line.Split ('"', '<', '>')[1];
string incFile = Path.Combine (Path.GetDirectoryName (src), include);
if (!File.Exists (incFile)) {
if (!tryFindInclude(include, out incFile))
throw new IncludeFileNotFound (src, srcLine, include);
}
build_source (incFile, temp);
} else
temp.WriteLine (line);
srcLine++;
}
}
}
bool tryFindGlslcExecutable (out string glslcPath) {
if (!string.IsNullOrEmpty (SpirVCompilerPath?.ItemSpec)) {
glslcPath = SpirVCompilerPath.ItemSpec;
if (!File.Exists (glslcPath))
return false;
}
string glslcExec = "glslc";
if (Environment.OSVersion.Platform.ToString ().StartsWith ("Win", StringComparison.Ordinal))
glslcExec = glslcExec + "exe";
glslcPath = Path.Combine (Environment.GetEnvironmentVariable ("VULKAN_SDK"), "bin");
glslcPath = Path.Combine (glslcPath, glslcExec);
if (File.Exists (glslcPath))
return true;
string envStrPathes = Environment.GetEnvironmentVariable ("PATH");
if (!string.IsNullOrEmpty (envStrPathes)) {
foreach (string path in envStrPathes.Split (';')) {
glslcPath = Path.Combine (path, glslcExec);
if (File.Exists (glslcPath))
return true;
}
}
return false;
}
public override bool Execute () {
success = true;
if (!tryFindGlslcExecutable(out string glslcPath)) {
BuildErrorEventArgs err = new BuildErrorEventArgs ("execute", "VK001", BuildEngine.ProjectFileOfTaskNode, 0, 0, 0, 0, $"glslc command not found: {glslcPath}", "Set 'VULKAN_SDK' environment variable", "SpirVTasks");
BuildEngine.LogErrorEvent (err);
return false;
}
string tempFile = Path.Combine (TempDirectory.ItemSpec, SourceFile.ItemSpec);
if (File.Exists (tempFile))
File.Delete (tempFile);
try {
Directory.CreateDirectory (Path.GetDirectoryName (tempFile));
using (StreamWriter sw = new StreamWriter (File.OpenWrite(tempFile))) {
string src = SourceFile.ItemSpec;
build_source (SourceFile.ItemSpec, sw);
}
} catch (IncludeFileNotFound ex) {
BuildErrorEventArgs err = new BuildErrorEventArgs ("include", "VK002", ex.SourceFile, ex.SourceLine, 0, 0, 0, $"include file not found: {ex.FileName}", "", "SpirVTasks");
BuildEngine.LogErrorEvent (err);
return false;
}catch (Exception ex) {
BuildErrorEventArgs err = new BuildErrorEventArgs ("include", "VK000", SourceFile.ItemSpec, 0, 0, 0, 0, ex.ToString(), "", "SpirVTasks");
BuildEngine.LogErrorEvent (err);
return false;
}
Directory.CreateDirectory (Path.GetDirectoryName (DestinationFile.ItemSpec));
Process glslc = new Process();
//glslc.StartInfo.StandardOutputEncoding = System.Text.Encoding.ASCII;
//glslc.StartInfo.StandardErrorEncoding = System.Text.Encoding.ASCII;
glslc.StartInfo.UseShellExecute = false;
glslc.StartInfo.RedirectStandardOutput = true;
glslc.StartInfo.RedirectStandardError = true;
glslc.StartInfo.FileName = glslcPath;
glslc.StartInfo.Arguments = $"{tempFile} -o {DestinationFile.ItemSpec}";
glslc.StartInfo.CreateNoWindow = true;
glslc.EnableRaisingEvents = true;
glslc.OutputDataReceived += Glslc_OutputDataReceived;
glslc.ErrorDataReceived += Glslc_ErrorDataReceived;
glslc.Start ();
glslc.BeginErrorReadLine ();
glslc.BeginOutputReadLine ();
Log.LogMessage (MessageImportance.High, $"{SourceFile.ItemSpec} -> {DestinationFile.ItemSpec}");
glslc.WaitForExit ();
return success;
}
void Glslc_ErrorDataReceived (object sender, DataReceivedEventArgs e) {
if (e.Data == null)
return;
if (string.Equals (e.Data, "(0)", StringComparison.Ordinal))
return;
string[] tmp = e.Data.Split (':');
Log.LogMessage (MessageImportance.High, $"glslc: {e.Data}");
if (tmp.Length == 5) {
string srcFile = BuildEngine.ProjectFileOfTaskNode;
int line = int.Parse (tmp[1]);
BuildErrorEventArgs err = new BuildErrorEventArgs ("compile", tmp[2], srcFile, line, 0, 0, 0, $"{tmp[3]} {tmp[4]}", "no help", "SpirVTasks");
BuildEngine.LogErrorEvent (err);
success = false;
} else {
Log.LogMessage (MessageImportance.High, $"{e.Data}");
}
}
void Glslc_OutputDataReceived (object sender, DataReceivedEventArgs e) {
if (e.Data == null)
return;
if (string.Equals (e.Data, "(0)", StringComparison.Ordinal))
return;
Log.LogMessage (MessageImportance.High, $"data:{e.Data}");
BuildWarningEventArgs taskEvent = new BuildWarningEventArgs ("glslc", "0", BuildEngine.ProjectFileOfTaskNode, 0, 0, 0, 0, $"{e.Data}", "no help", "SpirVTasks");
BuildEngine.LogWarningEvent (taskEvent);
}
}
}
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