// Processes all headers from a shader file and compiles every permutation
public void Compile(HeaderInfo inHeader, ShaderFile ioShaderFile)
{
Console.WriteLine("HEADER:\t\t" + inHeader.GetDebugString());
// Shader code as header file or binary file
// TODO: Only header files for now
bool header_file = true;
string export_option = header_file ? "Fh" : "Fo";
string cmd_input_file = ioShaderFile.FullPath;
string cmd_output_file = CreateCommand(export_option, inHeader.GetGeneratedFileName(ioShaderFile));
string cmd_variable_name = header_file ? CreateCommand("Vn", "g_" + inHeader.Name) : "";
string cmd_entry_point = CreateCommand("E", inHeader.EntryPoint);
string cmd_profile = CreateCommand("T", EnumUtils.ToDescription(inHeader.Type).ToLower() + "_" + EnumUtils.ToDescription(Config.ShaderModel));
string cmd_optimization = CreateCommand("Od");
string cmd_debug_info = Config.EnableDebugInformation ? CreateCommand("Zi") : "";
string cmd_defines = GenerateDefines(inHeader, Config.ShaderModel);
string cmd_nologo = CreateCommand("nologo");
// Don't output to file in Test. This should just output the shader code in the console
if (Arguments.Operation == Arguments.OperationType.Test)
{
cmd_variable_name = "";
cmd_output_file = "";
}
string args = CombineCommands(cmd_input_file, cmd_output_file, cmd_variable_name, cmd_entry_point, cmd_profile,
cmd_optimization, cmd_debug_info, cmd_defines, cmd_nologo);
string compiler_exe = GetCompilerPath();
Process process = Process.Start(compiler_exe);
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.Arguments = args;
process.Start();
// To avoid deadlocks, use an asynchronous read operation on at least one of the streams.
process.StandardOutput.ReadToEnd();
process.WaitForExit();
ioShaderFile.DidCompile = (process.ExitCode == 0);
if (!ioShaderFile.DidCompile)
{
string errorMessage = process.StandardError.ReadToEnd() + "Failed with commandline:\n" + compiler_exe + " " + args + "\n\n";
throw new Exception(errorMessage);
//throw new Exception(process.StandardOutput.ReadToEnd());
}
//Console.WriteLine(process.StandardError.ReadToEnd());
}
public string GetGeneratedFileName(ShaderFile inShaderFile)
{
// TODO: Only header files for now
bool header_file = true;
string output_extension = header_file ? Config.GeneratedHeaderExtension : ".bin";
string shader_name = inShaderFile.GetFileName() + "_" + Name + "_" + EnumUtils.ToDescription(Type);
string shader_output_file = Path.Combine(Config.GeneratedFolderPath, shader_name) + output_extension;
return(shader_output_file);
}