Add CopyIndicesJobs

Assets/VRM10/Runtime/IO/Model/CopyIndicesJob.cs

@@ -0,0 +1,120 @@
+using Unity.Collections;
+using Unity.Jobs;
+
+#if ENABLE_VRM10_BURST
+using Unity.Burst;
+#endif
+
+namespace UniVRM10
+{
+    /// <summary>
+    /// インデックス配列を、オフセットを加えながら複製するJob郡
+    /// MEMO: ushortを考慮することをやめればかなりシンプルに書ける
+    /// </summary>
+    internal struct CopyIndicesJobs
+    {
+        /// <summary>
+        /// unsigned int -> unsigned int
+        /// </summary>
+#if ENABLE_VRM10_BURST
+        [BurstCompile]
+#endif
+        public struct UInt2UInt : IJobParallelFor
+        {
+            private readonly uint _vertexOffset;
+
+            [ReadOnly] private readonly NativeSlice<uint> _source;
+            [WriteOnly] private NativeSlice<uint> _destination;
+
+            public UInt2UInt(uint vertexOffset, NativeSlice<uint> source, NativeSlice<uint> destination)
+            {
+                _vertexOffset = vertexOffset;
+                _source = source;
+                _destination = destination;
+            }
+
+            public void Execute(int index)
+            {
+                _destination[index] = _source[index] + _vertexOffset;
+            }
+        }
+
+        /// <summary>
+        /// unsigned short -> unsigned int
+        /// </summary>
+#if ENABLE_VRM10_BURST
+        [BurstCompile]
+#endif
+        public struct Ushort2Uint : IJobParallelFor
+        {
+            private readonly uint _vertexOffset;
+
+            [ReadOnly] private readonly NativeSlice<ushort> _source;
+            [WriteOnly] private NativeSlice<uint> _destination;
+
+            public Ushort2Uint(uint vertexOffset, NativeSlice<ushort> source, NativeSlice<uint> destination)
+            {
+                _vertexOffset = vertexOffset;
+                _source = source;
+                _destination = destination;
+            }
+
+            public void Execute(int index)
+            {
+                _destination[index] = _source[index] + _vertexOffset;
+            }
+        }
+
+        /// <summary>
+        /// unsigned short -> unsigned short
+        /// </summary>
+#if ENABLE_VRM10_BURST
+        [BurstCompile]
+#endif
+        public struct Ushort2Ushort : IJobParallelFor
+        {
+            private readonly ushort _vertexOffset;
+
+            [ReadOnly] private readonly NativeSlice<ushort> _source;
+            [WriteOnly] private NativeSlice<ushort> _destination;
+
+            public Ushort2Ushort(ushort vertexOffset, NativeSlice<ushort> source, NativeSlice<ushort> destination)
+            {
+                _vertexOffset = vertexOffset;
+                _source = source;
+                _destination = destination;
+            }
+
+            public void Execute(int index)
+            {
+                _destination[index] = (ushort)(_source[index] + _vertexOffset);
+            }
+        }
+
+        /// <summary>
+        /// unsigned int -> unsigned short
+        /// </summary>
+#if ENABLE_VRM10_BURST
+        [BurstCompile]
+#endif
+        public struct Uint2Ushort : IJobParallelFor
+        {
+            private readonly ushort _vertexOffset;
+
+            [ReadOnly] private readonly NativeSlice<uint> _source;
+            [WriteOnly] private NativeSlice<ushort> _destination;
+
+            public Uint2Ushort(ushort vertexOffset, NativeSlice<uint> source, NativeSlice<ushort> destination)
+            {
+                _vertexOffset = vertexOffset;
+                _source = source;
+                _destination = destination;
+            }
+
+            public void Execute(int index)
+            {
+                _destination[index] = (ushort)(_source[index] + _vertexOffset);
+            }
+        }
+    }
+}

Assets/VRM10/Runtime/IO/Model/CopyIndicesJob.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 3c6a7113ee13415e9b8c1063a683f3f8
+timeCreated: 1637033014