1 files changed, 26 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Nvdec/Image/SurfaceCommon.cs b/src/Ryujinx.Graphics.Nvdec/Image/SurfaceCommon.cs
new file mode 100644
index 00000000..6087f5b1
--- /dev/null
+++ b/src/Ryujinx.Graphics.Nvdec/Image/SurfaceCommon.cs
@@ -0,0 +1,26 @@
+using Ryujinx.Graphics.Texture;
+using Ryujinx.Graphics.Video;
+using System;
+
+namespace Ryujinx.Graphics.Nvdec.Image
+{
+    static class SurfaceCommon
+    {
+        public static int GetBlockLinearSize(int width, int height, int bytesPerPixel)
+        {
+            return SizeCalculator.GetBlockLinearTextureSize(width, height, 1, 1, 1, 1, 1, bytesPerPixel, 2, 1, 1).TotalSize;
+        }
+
+        public static void Copy(ISurface src, ISurface dst)
+        {
+            src.YPlane.AsSpan().CopyTo(dst.YPlane.AsSpan());
+            src.UPlane.AsSpan().CopyTo(dst.UPlane.AsSpan());
+            src.VPlane.AsSpan().CopyTo(dst.VPlane.AsSpan());
+        }
+
+        public unsafe static Span<byte> AsSpan(this Plane plane)
+        {
+            return new Span<byte>((void*)plane.Pointer, plane.Length);
+        }
+    }
+}