diff --git a/lib/RefreshCS b/lib/RefreshCS
index 34bf0b6..07449cf 160000
--- a/lib/RefreshCS
+++ b/lib/RefreshCS
@@ -1 +1 @@
-Subproject commit 34bf0b69aedfdb50ce4d161173a955998746dad8
+Subproject commit 07449cfef8aac872e6e89d085e4732e23314e4ab
diff --git a/src/Graphics/CommandBuffer.cs b/src/Graphics/CommandBuffer.cs
index 309918f..034515b 100644
--- a/src/Graphics/CommandBuffer.cs
+++ b/src/Graphics/CommandBuffer.cs
@@ -668,6 +668,92 @@ namespace MoonWorks.Graphics
             );
         }
 
+        /// <summary>
+        /// Copies arbitrary data into a buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to copy into.</param>
+        /// <param name="dataPtr">Pointer to the data to copy into the buffer.</param>
+        /// <param name="bufferOffsetInBytes">Specifies where in the buffer to copy data.</param>
+        /// <param name="dataLengthInBytes">The length of data that should be copied.</param>
+        /// <param name="setDataOption">Specifies whether the buffer should be copied in immediate or deferred mode. When in doubt, use deferred.</param>
+        public void SetBufferData(
+            Buffer buffer,
+            IntPtr dataPtr,
+            uint bufferOffsetInBytes,
+            uint dataLengthInBytes,
+            Refresh.SetDataOptions setDataOption = Refresh.SetDataOptions.Deferred
+        ) {
+            Refresh.Refresh_SetBufferData(
+                Device.Handle,
+                Handle,
+                buffer.Handle,
+                bufferOffsetInBytes,
+                dataPtr,
+                dataLengthInBytes,
+                setDataOption
+            );
+        }
+
+        /// <summary>
+        /// Copies array data into a buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to copy to.</param>
+        /// <param name="data">The array to copy from.</param>
+        /// <param name="bufferOffsetInBytes">Specifies where in the buffer to start copying.</param>
+        /// <param name="startElement">The index of the first element to copy from the array.</param>
+        /// <param name="numElements">How many elements to copy.</param>
+        /// <param name="setDataOption">Specifies whether the buffer should be copied in immediate or deferred mode. When in doubt, use deferred.</param>
+        public unsafe void SetBufferData<T>(
+            Buffer buffer,
+            T[] data,
+            uint bufferOffsetInBytes,
+            uint startElement,
+            uint numElements,
+            Refresh.SetDataOptions setDataOption = Refresh.SetDataOptions.Deferred
+        ) where T : unmanaged
+        {
+            var elementSize = Marshal.SizeOf<T>();
+
+            fixed (T* ptr = &data[0])
+            {
+                var dataPtr = ptr + (startElement * elementSize);
+
+                Refresh.Refresh_SetBufferData(
+                    Device.Handle,
+                    Handle,
+                    buffer.Handle,
+                    bufferOffsetInBytes,
+                    (IntPtr) dataPtr,
+                    (uint) (numElements * elementSize),
+                    setDataOption
+                );
+            }
+        }
+
+        /// <summary>
+        /// Copies array data into a buffer.
+        /// </summary>
+        /// <param name="buffer">The buffer to copy to.</param>
+        /// <param name="data">The array to copy from.</param>
+        /// <param name="bufferOffsetInBytes">Specifies where in the buffer to start copying.</param>
+        /// <param name="setDataOption">Specifies whether the buffer should be copied in immediate or deferred mode. When in doubt, use deferred.</param>
+        public unsafe void SetBufferData<T>(
+            Buffer buffer,
+            T[] data,
+            uint bufferOffsetInBytes = 0,
+            Refresh.SetDataOptions setDataOption = Refresh.SetDataOptions.Deferred
+        ) where T : unmanaged
+        {
+            SetBufferData(
+                buffer,
+                data,
+                bufferOffsetInBytes,
+                0,
+                (uint) data.Length,
+                setDataOption
+            );
+        }
+
         /// <summary>
         /// Asynchronously copies data into a texture.
         /// </summary>
diff --git a/src/Graphics/Resources/Buffer.cs b/src/Graphics/Resources/Buffer.cs
index 8004064..4b638ff 100644
--- a/src/Graphics/Resources/Buffer.cs
+++ b/src/Graphics/Resources/Buffer.cs
@@ -30,94 +30,6 @@ namespace MoonWorks.Graphics
             );
         }
 
-        /// <summary>
-        /// Asynchronously copies data into the buffer.
-        /// </summary>
-        /// <param name="data">An array of data to copy into the buffer.</param>
-        /// <param name="offsetInElements">Specifies where to start copying out of the array.</param>
-        /// <param name="lengthInElements">Specifies how many elements to copy.</param>
-        public unsafe void SetData<T>(
-            T[] data,
-            uint offsetInElements,
-            uint lengthInElements
-        ) where T : unmanaged
-        {
-            var elementSize = Marshal.SizeOf<T>();
-
-            fixed (T* ptr = &data[0])
-            {
-                Refresh.Refresh_SetBufferData(
-                    Device.Handle,
-                    Handle,
-                    (uint) (offsetInElements * elementSize),
-                    (IntPtr) ptr,
-                    (uint) (lengthInElements * elementSize)
-                );
-            }
-        }
-
-        /// <summary>
-        /// Asynchronously copies data into the buffer.
-        /// This variant of this method copies the entire array.
-        /// </summary>
-        /// <param name="data">An array of data to copy.</param>
-        public unsafe void SetData<T>(
-            T[] data
-        ) where T : unmanaged
-        {
-            fixed (T* ptr = &data[0])
-            {
-                Refresh.Refresh_SetBufferData(
-                    Device.Handle,
-                    Handle,
-                    0,
-                    (IntPtr)ptr,
-                    (uint) (data.Length * Marshal.SizeOf<T>())
-                );
-            }
-        }
-
-        /// <summary>
-        /// Asynchronously copies data into the buffer.
-        /// </summary>
-        /// <param name="data">A pointer to an array.</param>
-        /// <param name="offsetInBytes">Specifies where to start copying the data, in bytes.</param>
-        /// <param name="dataLengthInBytes">Specifies how many bytes of data to copy.</param>
-        public void SetData(
-            IntPtr data,
-            uint offsetInBytes,
-            uint dataLengthInBytes
-        ) {
-            Refresh.Refresh_SetBufferData(
-                Device.Handle,
-                Handle,
-                offsetInBytes,
-                data,
-                dataLengthInBytes
-            );
-        }
-
-        /// <summary>
-        /// Asynchronously copies data into the buffer.
-        /// </summary>
-        /// <param name="data">A pointer to an array.</param>
-        /// <param name="offsetInBytes">Specifies where to start copying the data, in bytes.</param>
-        /// <param name="dataLengthInBytes">Specifies how many bytes of data to copy.</param>
-        public unsafe void SetData<T>(
-            T* data,
-            uint offsetInElements,
-            uint lengthInElements
-        ) where T : unmanaged {
-            var elementSize = Marshal.SizeOf<T>();
-            Refresh.Refresh_SetBufferData(
-                Device.Handle,
-                Handle,
-                (uint) (offsetInElements * elementSize),
-                (IntPtr) data,
-                (uint) (lengthInElements * elementSize)
-            );
-        }
-
         /// <summary>
         /// Reads data out of a buffer and into an array.
         /// This operation is only guaranteed to read up-to-date data if GraphicsDevice.Wait is called first.