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Diffstat (limited to 'Ryujinx.Common/Memory/PartialUnmaps/PartialUnmapHelpers.cs')
-rw-r--r--Ryujinx.Common/Memory/PartialUnmaps/PartialUnmapHelpers.cs20
1 files changed, 20 insertions, 0 deletions
diff --git a/Ryujinx.Common/Memory/PartialUnmaps/PartialUnmapHelpers.cs b/Ryujinx.Common/Memory/PartialUnmaps/PartialUnmapHelpers.cs
new file mode 100644
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--- /dev/null
+++ b/Ryujinx.Common/Memory/PartialUnmaps/PartialUnmapHelpers.cs
@@ -0,0 +1,20 @@
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Common.Memory.PartialUnmaps
+{
+ static class PartialUnmapHelpers
+ {
+ /// <summary>
+ /// Calculates a byte offset of a given field within a struct.
+ /// </summary>
+ /// <typeparam name="T">Struct type</typeparam>
+ /// <typeparam name="T2">Field type</typeparam>
+ /// <param name="storage">Parent struct</param>
+ /// <param name="target">Field</param>
+ /// <returns>The byte offset of the given field in the given struct</returns>
+ public static int OffsetOf<T, T2>(ref T2 storage, ref T target)
+ {
+ return (int)Unsafe.ByteOffset(ref Unsafe.As<T2, T>(ref storage), ref target);
+ }
+ }
+}