1 files changed, 43 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Gpu/Memory/BufferCacheEntry.cs b/src/Ryujinx.Graphics.Gpu/Memory/BufferCacheEntry.cs
new file mode 100644
index 00000000..fa38b54e
--- /dev/null
+++ b/src/Ryujinx.Graphics.Gpu/Memory/BufferCacheEntry.cs
@@ -0,0 +1,43 @@
+namespace Ryujinx.Graphics.Gpu.Memory
+{
+    /// <summary>
+    /// A cached entry for easily locating a buffer that is used often internally.
+    /// </summary>
+    class BufferCacheEntry
+    {
+        /// <summary>
+        /// The CPU VA of the buffer destination.
+        /// </summary>
+        public ulong Address;
+
+        /// <summary>
+        /// The end GPU VA of the associated buffer, used to check if new data can fit.
+        /// </summary>
+        public ulong EndGpuAddress;
+
+        /// <summary>
+        /// The buffer associated with this cache entry.
+        /// </summary>
+        public Buffer Buffer;
+
+        /// <summary>
+        /// The UnmappedSequence of the buffer at the time of creation.
+        /// If this differs from the value currently in the buffer, then this cache entry is outdated.
+        /// </summary>
+        public int UnmappedSequence;
+
+        /// <summary>
+        /// Create a new cache entry.
+        /// </summary>
+        /// <param name="address">The CPU VA of the buffer destination</param>
+        /// <param name="gpuVa">The GPU VA of the buffer destination</param>
+        /// <param name="buffer">The buffer object containing the target buffer</param>
+        public BufferCacheEntry(ulong address, ulong gpuVa, Buffer buffer)
+        {
+            Address = address;
+            EndGpuAddress = gpuVa + (buffer.EndAddress - address);
+            Buffer = buffer;
+            UnmappedSequence = buffer.UnmappedSequence;
+        }
+    }
+}