diff --git a/shadercompiler/Program.cs b/shadercompiler/Program.cs
index ae2a780..59d43fc 100644
--- a/shadercompiler/Program.cs
+++ b/shadercompiler/Program.cs
@@ -8,67 +8,88 @@ partial class Program
 	{
 		if (args.Length < 2)
 		{
-			Console.WriteLine("Usage: refreshc <path-to-glsl> <output-directory>");
+			Console.WriteLine("Usage: refreshc <path-to-glsl | path-to-input-directory> <output-directory>");
 			return 1;
 		}
 
-		string glslPath = args[0];
+		string inputPath = args[0];
 		string outputDir = args[1];
 
-		if (!ValidateArgs(glslPath, outputDir))
+		if (!Directory.Exists(outputDir))
 		{
+			Console.WriteLine($"refreshc: Output directory ({outputDir}) does not exist");
 			return 1;
 		}
 
+		if (Directory.Exists(inputPath))
+		{
+			// Loop over and compile each file in the directory
+			string[] files = Directory.GetFiles(inputPath);
+			foreach (string file in files)
+			{
+				Console.WriteLine($"Compiling {file}");
+				int res = CompileShader(file, outputDir);
+				if (res != 0)
+				{
+					return res;
+				}
+			}
+		}
+		else
+		{
+			if (!File.Exists(inputPath))
+			{
+				Console.WriteLine($"refreshc: glsl source file or directory ({inputPath}) does not exist");
+				return 1;
+			}
+
+			int res = CompileShader(inputPath, outputDir);
+			if (res != 0)
+			{
+				return res;
+			}
+		}
+
+		return 0;
+	}
+
+	static int CompileShader(string glslPath, string outputDir)
+	{
+		int res = 0;
 		string shaderName = Path.GetFileNameWithoutExtension(glslPath);
 		string shaderType = Path.GetExtension(glslPath);
-		string spirvPath = Path.Combine(outputDir, $"{shaderName}.spv");
 
-		if (CompileGlslToSpirv(glslPath, shaderName, spirvPath) != 0)
+		if (shaderType != ".vert" && shaderType != ".frag" && shaderType != ".comp")
 		{
+			Console.WriteLine("refreshc: Expected glsl source file with extension '.vert', '.frag', or '.comp'");
 			return 1;
 		}
 
+		string spirvPath = Path.Combine(outputDir, $"{shaderName}.spv");
+		res = CompileGlslToSpirv(glslPath, shaderName, spirvPath);
+		if (res != 0)
+		{
+			return res;
+		}
+
 		string hlslPath = Path.Combine(outputDir, $"{shaderName}.hlsl");
-		if (TranslateSpirvToHlsl(spirvPath, hlslPath) != 0)
+		res = TranslateSpirvToHlsl(spirvPath, hlslPath);
+		if (res != 0)
 		{
-			return 1;
+			return res;
 		}
 
 		// FIXME: Is there a cross-platform way to compile HLSL to DXBC?
 
 #if PS5
-		if (TranslateHlslToPS5(hlslPath, shaderName, shaderType, outputDir) != 0)
+		res = TranslateHlslToPS5(hlslPath, shaderName, shaderType, outputDir);
+		if (res != 0)
 		{
-			return 1;
+			return res;
 		}
 #endif
 
-		return 0;
-	}
-
-	static bool ValidateArgs(string glslPath, string outputDir)
-	{
-		if (!File.Exists(glslPath))
-		{
-			Console.WriteLine($"refreshc: glsl source file ({glslPath}) does not exist");
-			return false;
-		}
-
-		string ext = Path.GetExtension(glslPath);
-		if (ext != ".vert" && ext != ".frag" && ext != ".comp")
-		{
-			Console.WriteLine("refreshc: Expected glsl source file with extension '.vert', '.frag', or '.comp'");
-			return false;
-		}
-
-		if (!Directory.Exists(outputDir))
-		{
-			Console.WriteLine($"refreshc: Output directory ({outputDir}) does not exist");
-			return false;
-		}
-
-		return true;
+		return res;
 	}
 
 	static int CompileGlslToSpirv(string glslPath, string shaderName, string outputPath)