1 files changed, 68 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Gpu/Image/TextureMsaaMode.cs b/src/Ryujinx.Graphics.Gpu/Image/TextureMsaaMode.cs
new file mode 100644
index 00000000..0461888f
--- /dev/null
+++ b/src/Ryujinx.Graphics.Gpu/Image/TextureMsaaMode.cs
@@ -0,0 +1,68 @@
+namespace Ryujinx.Graphics.Gpu.Image
+{
+    /// <summary>
+    /// Multisampled texture samples count.
+    /// </summary>
+    enum TextureMsaaMode
+    {
+        Ms1x1 = 0,
+        Ms2x2 = 2,
+        Ms4x2 = 4,
+        Ms2x1 = 5,
+        Ms4x4 = 6
+    }
+
+    static class TextureMsaaModeConverter
+    {
+        /// <summary>
+        /// Returns the total number of samples from the MSAA mode.
+        /// </summary>
+        /// <param name="msaaMode">The MSAA mode</param>
+        /// <returns>The total number of samples</returns>
+        public static int SamplesCount(this TextureMsaaMode msaaMode)
+        {
+            return msaaMode switch
+            {
+                TextureMsaaMode.Ms2x1 => 2,
+                TextureMsaaMode.Ms2x2 => 4,
+                TextureMsaaMode.Ms4x2 => 8,
+                TextureMsaaMode.Ms4x4 => 16,
+                _ => 1
+            };
+        }
+
+        /// <summary>
+        /// Returns the number of samples in the X direction from the MSAA mode.
+        /// </summary>
+        /// <param name="msaaMode">The MSAA mode</param>
+        /// <returns>The number of samples in the X direction</returns>
+        public static int SamplesInX(this TextureMsaaMode msaaMode)
+        {
+            return msaaMode switch
+            {
+                TextureMsaaMode.Ms2x1 => 2,
+                TextureMsaaMode.Ms2x2 => 2,
+                TextureMsaaMode.Ms4x2 => 4,
+                TextureMsaaMode.Ms4x4 => 4,
+                _ => 1
+            };
+        }
+
+        /// <summary>
+        /// Returns the number of samples in the Y direction from the MSAA mode.
+        /// </summary>
+        /// <param name="msaaMode">The MSAA mode</param>
+        /// <returns>The number of samples in the Y direction</returns>
+        public static int SamplesInY(this TextureMsaaMode msaaMode)
+        {
+            return msaaMode switch
+            {
+                TextureMsaaMode.Ms2x1 => 1,
+                TextureMsaaMode.Ms2x2 => 2,
+                TextureMsaaMode.Ms4x2 => 2,
+                TextureMsaaMode.Ms4x4 => 4,
+                _ => 1
+            };
+        }
+    }
+}
+\ No newline at end of file