Make sure attributes used on subsequent shader stages are initialized (#2538)

Ryujinx.Graphics.Gpu/Shader/ShaderDumpPaths.cs

@@ -0,0 +1,49 @@
+using Ryujinx.Graphics.Shader;
+
+namespace Ryujinx.Graphics.Gpu.Shader
+{
+    /// <summary>
+    /// Paths where shader code was dumped on disk.
+    /// </summary>
+    struct ShaderDumpPaths
+    {
+        /// <summary>
+        /// Path where the full shader code with header was dumped, or null if not dumped.
+        /// </summary>
+        public string FullPath { get; }
+
+        /// <summary>
+        /// Path where the shader code without header was dumped, or null if not dumped.
+        /// </summary>
+        public string CodePath { get; }
+
+        /// <summary>
+        /// True if the shader was dumped, false otherwise.
+        /// </summary>
+        public bool HasPath => FullPath != null && CodePath != null;
+
+        /// <summary>
+        /// Creates a new shader dumps path structure.
+        /// </summary>
+        /// <param name="fullPath">Path where the full shader code with header was dumped, or null if not dumped</param>
+        /// <param name="codePath">Path where the shader code without header was dumped, or null if not dumped</param>
+        public ShaderDumpPaths(string fullPath, string codePath)
+        {
+            FullPath = fullPath;
+            CodePath = codePath;
+        }
+
+        /// <summary>
+        /// Prepends the shader paths on the program source, as a comment.
+        /// </summary>
+        /// <param name="program">Program to prepend into</param>
+        public void Prepend(ShaderProgram program)
+        {
+            if (HasPath)
+            {
+                program.Prepend("// " + CodePath);
+                program.Prepend("// " + FullPath);
+            }
+        }
+    }
+}