Add XML documentation to Ryujinx.Graphics.Gpu.Memory

Ryujinx.Graphics.Gpu/Memory/PhysicalMemory.cs

@@ -4,25 +4,51 @@ namespace Ryujinx.Graphics.Gpu.Memory
 {
     using CpuMemoryManager = ARMeilleure.Memory.MemoryManager;
 
+    /// <summary>
+    /// Represents physical memory, accessible from the GPU.
+    /// This is actually working CPU virtual addresses, of memory mapped on the game process.
+    /// </summary>
     class PhysicalMemory
     {
         private readonly CpuMemoryManager _cpuMemory;
 
+        /// <summary>
+        /// Creates a new instance of the physical memory.
+        /// </summary>
+        /// <param name="cpuMemory">CPU memory manager of the application process</param>
         public PhysicalMemory(CpuMemoryManager cpuMemory)
         {
             _cpuMemory = cpuMemory;
         }
 
+        /// <summary>
+        /// Reads data from the application process.
+        /// </summary>
+        /// <param name="address">Address to be read</param>
+        /// <param name="size">Size in bytes to be read</param>
+        /// <returns>The data at the specified memory location</returns>
         public Span<byte> Read(ulong address, ulong size)
         {
             return _cpuMemory.ReadBytes((long)address, (long)size);
         }
 
+        /// <summary>
+        /// Writes data to the application process.
+        /// </summary>
+        /// <param name="address">Address to write into</param>
+        /// <param name="data">Data to be written</param>
         public void Write(ulong address, Span<byte> data)
         {
             _cpuMemory.WriteBytes((long)address, data.ToArray());
         }
 
+        /// <summary>
+        /// Gets the modified ranges for a given range of the application process mapped memory.
+        /// </summary>
+        /// <param name="address">Start address of the range</param>
+        /// <param name="size">Size, in bytes, of the range</param>
+        /// <param name="name">Name of the GPU resource being checked</param>
+        /// <returns>Ranges, composed of address and size, modified by the application process, form the CPU</returns>
         public (ulong, ulong)[] GetModifiedRanges(ulong address, ulong size, ResourceName name)
         {
             return _cpuMemory.GetModifiedRanges(address, size, (int)name);