更新obi到7.1

Assets/ThirdParty/Obi/Scripts/Common/Backends/Compute/ComputeMath.cs

@@ -0,0 +1,16 @@
+
+namespace Obi
+{
+    public static class ComputeMath
+    {
+        public static int ThreadGroupCount(int elements, int numThreads)
+        {
+            return elements / numThreads + 1;
+        }
+
+        public static int NextMultiple(int baseNumber, int number)
+        {
+            return ((baseNumber / number) + 1) * number;
+        }
+    }
+}