1 files changed, 72 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Nvdec/Types/Vp9/BackwardUpdates.cs b/Ryujinx.Graphics.Nvdec/Types/Vp9/BackwardUpdates.cs
new file mode 100644
index 00000000..661e6cdd
--- /dev/null
+++ b/Ryujinx.Graphics.Nvdec/Types/Vp9/BackwardUpdates.cs
@@ -0,0 +1,72 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Video;
+
+namespace Ryujinx.Graphics.Nvdec.Types.Vp9
+{
+    struct BackwardUpdates
+    {
+        public Array7<Array3<Array2<uint>>> InterModeCounts;
+        public Array4<Array10<uint>> YModeCounts;
+        public Array10<Array10<uint>> UvModeCounts;
+        public Array16<Array4<uint>> PartitionCounts;
+        public Array4<Array3<uint>> SwitchableInterpsCount;
+        public Array4<Array2<uint>> IntraInterCount;
+        public Array5<Array2<uint>> CompInterCount;
+        public Array5<Array2<Array2<uint>>> SingleRefCount;
+        public Array5<Array2<uint>> CompRefCount;
+        public Array2<Array4<uint>> Tx32x32;
+        public Array2<Array3<uint>> Tx16x16;
+        public Array2<Array2<uint>> Tx8x8;
+        public Array3<Array2<uint>> MbSkipCount;
+        public Array4<uint> Joints;
+        public Array2<Array2<uint>> Sign;
+        public Array2<Array11<uint>> Classes;
+        public Array2<Array2<uint>> Class0;
+        public Array2<Array10<Array2<uint>>> Bits;
+        public Array2<Array2<Array4<uint>>> Class0Fp;
+        public Array2<Array4<uint>> Fp;
+        public Array2<Array2<uint>> Class0Hp;
+        public Array2<Array2<uint>> Hp;
+        public Array4<Array2<Array2<Array6<Array6<Array4<uint>>>>>> CoefCounts;
+        public Array4<Array2<Array2<Array6<Array6<uint>>>>> EobCounts;
+
+        public BackwardUpdates(ref Vp9BackwardUpdates counts)
+        {
+            InterModeCounts = new Array7<Array3<Array2<uint>>>();
+
+            for (int i = 0; i < 7; i++)
+            {
+                InterModeCounts[i][0][0] = counts.InterMode[i][2];
+                InterModeCounts[i][0][1] = counts.InterMode[i][0] + counts.InterMode[i][1] + counts.InterMode[i][3];
+                InterModeCounts[i][1][0] = counts.InterMode[i][0];
+                InterModeCounts[i][1][1] = counts.InterMode[i][1] + counts.InterMode[i][3];
+                InterModeCounts[i][2][0] = counts.InterMode[i][1];
+                InterModeCounts[i][2][1] = counts.InterMode[i][3];
+            }
+
+            YModeCounts = counts.YMode;
+            UvModeCounts = counts.UvMode;
+            PartitionCounts = counts.Partition;
+            SwitchableInterpsCount = counts.SwitchableInterp;
+            IntraInterCount = counts.IntraInter;
+            CompInterCount = counts.CompInter;
+            SingleRefCount = counts.SingleRef;
+            CompRefCount = counts.CompRef;
+            Tx32x32 = counts.Tx32x32;
+            Tx16x16 = counts.Tx16x16;
+            Tx8x8 = counts.Tx8x8;
+            MbSkipCount = counts.Skip;
+            Joints = counts.Joints;
+            Sign = counts.Sign;
+            Classes = counts.Classes;
+            Class0 = counts.Class0;
+            Bits = counts.Bits;
+            Class0Fp = counts.Class0Fp;
+            Fp = counts.Fp;
+            Class0Hp = counts.Class0Hp;
+            Hp = counts.Hp;
+            CoefCounts = counts.Coef;
+            EobCounts = counts.EobBranch;
+        }
+    }
+}