1 files changed, 72 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheLoadResult.cs b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheLoadResult.cs
new file mode 100644
index 00000000..b3ffa4a7
--- /dev/null
+++ b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheLoadResult.cs
@@ -0,0 +1,72 @@
+namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
+{
+    /// <summary>
+    /// Result of a shader cache load operation.
+    /// </summary>
+    enum DiskCacheLoadResult
+    {
+        /// <summary>
+        /// No error.
+        /// </summary>
+        Success,
+
+        /// <summary>
+        /// File can't be accessed.
+        /// </summary>
+        NoAccess,
+
+        /// <summary>
+        /// The constant buffer 1 data length is too low for the translation of the guest shader.
+        /// </summary>
+        InvalidCb1DataLength,
+
+        /// <summary>
+        /// The cache is missing the descriptor of a texture used by the shader.
+        /// </summary>
+        MissingTextureDescriptor,
+
+        /// <summary>
+        /// File is corrupted.
+        /// </summary>
+        FileCorruptedGeneric,
+
+        /// <summary>
+        /// File is corrupted, detected by magic value check.
+        /// </summary>
+        FileCorruptedInvalidMagic,
+
+        /// <summary>
+        /// File is corrupted, detected by length check.
+        /// </summary>
+        FileCorruptedInvalidLength,
+
+        /// <summary>
+        /// File might be valid, but is incompatible with the current emulator version.
+        /// </summary>
+        IncompatibleVersion
+    }
+
+    static class DiskCacheLoadResultExtensions
+    {
+        /// <summary>
+        /// Gets an error message from a result code.
+        /// </summary>
+        /// <param name="result">Result code</param>
+        /// <returns>Error message</returns>
+        public static string GetMessage(this DiskCacheLoadResult result)
+        {
+            return result switch
+            {
+                DiskCacheLoadResult.Success => "No error.",
+                DiskCacheLoadResult.NoAccess => "Could not access the cache file.",
+                DiskCacheLoadResult.InvalidCb1DataLength => "Constant buffer 1 data length is too low.",
+                DiskCacheLoadResult.MissingTextureDescriptor => "Texture descriptor missing from the cache file.",
+                DiskCacheLoadResult.FileCorruptedGeneric => "The cache file is corrupted.",
+                DiskCacheLoadResult.FileCorruptedInvalidMagic => "Magic check failed, the cache file is corrupted.",
+                DiskCacheLoadResult.FileCorruptedInvalidLength => "Length check failed, the cache file is corrupted.",
+                DiskCacheLoadResult.IncompatibleVersion => "The version of the disk cache is not compatible with this version of the emulator.",
+                _ => "Unknown error."
+            };
+        }
+    }
+}
+\ No newline at end of file