1 files changed, 59 insertions, 1 deletions
diff --git a/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs b/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
index a9a8fbac..2d988f8d 100644
--- a/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
+++ b/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
@@ -1,4 +1,7 @@
+using Ryujinx.Cpu;
 using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
 
 namespace Ryujinx.Graphics.Gpu.Memory
 {
@@ -33,15 +36,70 @@ namespace Ryujinx.Graphics.Gpu.Memory
 
         public event EventHandler<UnmapEventArgs> MemoryUnmapped;
 
+        private GpuContext _context;
+
         /// <summary>
         /// Creates a new instance of the GPU memory manager.
         /// </summary>
-        public MemoryManager()
+        public MemoryManager(GpuContext context)
         {
+            _context = context;
             _pageTable = new ulong[PtLvl0Size][];
         }
 
         /// <summary>
+        /// Reads data from GPU mapped memory.
+        /// </summary>
+        /// <typeparam name="T">Type of the data</typeparam>
+        /// <param name="gpuVa">GPU virtual address where the data is located</param>
+        /// <returns>The data at the specified memory location</returns>
+        public T Read<T>(ulong gpuVa) where T : unmanaged
+        {
+            ulong processVa = Translate(gpuVa);
+
+            return MemoryMarshal.Cast<byte, T>(_context.PhysicalMemory.GetSpan(processVa, Unsafe.SizeOf<T>()))[0];
+        }
+
+        /// <summary>
+        /// Gets a read-only span of data from GPU mapped memory.
+        /// This reads as much data as possible, up to the specified maximum size.
+        /// </summary>
+        /// <param name="gpuVa">GPU virtual address where the data is located</param>
+        /// <param name="size">Size of the data</param>
+        /// <returns>The span of the data at the specified memory location</returns>
+        public ReadOnlySpan<byte> GetSpan(ulong gpuVa, int size)
+        {
+            ulong processVa = Translate(gpuVa);
+
+            return _context.PhysicalMemory.GetSpan(processVa, size);
+        }
+
+        /// <summary>
+        /// Gets a writable region from GPU mapped memory.
+        /// </summary>
+        /// <param name="address">Start address of the range</param>
+        /// <param name="size">Size in bytes to be range</param>
+        /// <returns>A writable region with the data at the specified memory location</returns>
+        public WritableRegion GetWritableRegion(ulong gpuVa, int size)
+        {
+            ulong processVa = Translate(gpuVa);
+
+            return _context.PhysicalMemory.GetWritableRegion(processVa, size);
+        }
+
+        /// <summary>
+        /// Writes data to GPU mapped memory.
+        /// </summary>
+        /// <param name="gpuVa">GPU virtual address to write the data into</param>
+        /// <param name="data">The data to be written</param>
+        public void Write(ulong gpuVa, ReadOnlySpan<byte> data)
+        {
+            ulong processVa = Translate(gpuVa);
+
+            _context.PhysicalMemory.Write(processVa, data);
+        }
+
+        /// <summary>
         /// Maps a given range of pages to the specified CPU virtual address.
         /// </summary>
         /// <remarks>