private static string Compile(string shaderCode, string shaderType)
{
var options = OptionsPagePackage.Options;
if (!string.IsNullOrWhiteSpace(options.ExternalCompilerExeFilePath))
{
//create temp shader file for external compiler
var shaderFileName = Path.Combine(Path.GetTempPath(), $"shader{ShaderContentTypes.DefaultFileExtension(shaderType)}");
try
{
File.WriteAllText(shaderFileName, shaderCode);
using (var process = new Process())
{
process.StartInfo.FileName = options.ExternalCompilerExeFilePath;
process.StartInfo.Arguments = $"{options.ExternalCompilerArguments} {shaderFileName}"; //arguments
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.CreateNoWindow = true; //do not display a windows
VsStatusBar.SetText($"Using external compiler '{Path.GetFileNameWithoutExtension(options.ExternalCompilerExeFilePath)}' with arguments '{options.ExternalCompilerArguments}' on temporal shader file '{shaderFileName}'");
process.Start();
process.WaitForExit(10000);
var output = process.StandardOutput.ReadToEnd(); //The output result
return(output.Replace(shaderFileName, "0")); //HACK: glslLangValidator produces inconsistent error message format when using vulkan vs glsl compilation
}
}
catch (Exception e)
{
var message = "Error executing external compiler with message\n" + e.ToString();
VsStatusBar.SetText(message);
}
}
VsStatusBar.SetText("Using driver compiler");
return(CompileOnGPU(shaderCode, shaderType));
}
private static string CompileExternal(string shaderCode, string shaderContentType, ILogger logger, ICompilerSettings settings)
{
//create temp shader file for external compiler
var tempPath = Path.GetTempPath();
var shaderFileName = Path.Combine(tempPath, $"shader{ShaderContentTypes.DefaultFileExtension(shaderContentType)}");
try
{
File.WriteAllText(shaderFileName, shaderCode);
using (var process = new Process())
{
process.StartInfo.FileName = VsExpand.EnvironmentVariables(settings.ExternalCompilerExeFilePath);
var arguments = VsExpand.EnvironmentVariables(settings.ExternalCompilerArguments);
process.StartInfo.Arguments = $"{arguments} {shaderFileName}"; //arguments
process.StartInfo.WorkingDirectory = tempPath;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.CreateNoWindow = true; //do not display a windows
logger.Log($"Using external compiler '{settings.ExternalCompilerExeFilePath}' with arguments '{arguments}' on temporal shader file '{shaderFileName}'", true);
process.Start();
if (!process.WaitForExit(10000))
{
logger.Log($"External compiler did take more than 10 seconds to finish. Aborting!", true);
}
return(process.StandardOutput.ReadToEnd() + process.StandardError.ReadToEnd()); //The output result
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception e)
{
var message = "Error executing external compiler with message\n" + e.ToString();
logger.Log(message, true);
return(string.Empty);
}
#pragma warning restore CA1031 // Do not catch general exception types
}
