Textures : Increase the amount of VRAM Cache available for Textures based on selected DRAM. (#36)

src/Ryujinx.Graphics.Gpu/GpuContext.cs

@@ -152,16 +152,17 @@ namespace Ryujinx.Graphics.Gpu
         /// Creates a new GPU memory manager.
         /// </summary>
         /// <param name="pid">ID of the process that owns the memory manager</param>
+        /// <param name="cpuMemorySize">The amount of physical CPU Memory Avaiable on the device.</param>
         /// <returns>The memory manager</returns>
         /// <exception cref="ArgumentException">Thrown when <paramref name="pid"/> is invalid</exception>
-        public MemoryManager CreateMemoryManager(ulong pid)
+        public MemoryManager CreateMemoryManager(ulong pid, ulong cpuMemorySize)
         {
             if (!PhysicalMemoryRegistry.TryGetValue(pid, out var physicalMemory))
             {
                 throw new ArgumentException("The PID is invalid or the process was not registered", nameof(pid));
             }
 
-            return new MemoryManager(physicalMemory);
+            return new MemoryManager(physicalMemory, cpuMemorySize);
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Image/AutoDeleteCache.cs

@@ -1,3 +1,4 @@
+using Ryujinx.Common.Logging;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -47,11 +48,17 @@ namespace Ryujinx.Graphics.Gpu.Image
     {
         private const int MinCountForDeletion = 32;
         private const int MaxCapacity = 2048;
+        private const ulong GiB = 1024 * 1024 * 1024;
+        private ulong MaxTextureSizeCapacity = 4UL * GiB;
         private const ulong MinTextureSizeCapacity = 512 * 1024 * 1024;
-        private const ulong MaxTextureSizeCapacity = 4UL * 1024 * 1024 * 1024;
-        private const ulong DefaultTextureSizeCapacity = 1UL * 1024 * 1024 * 1024;
+        private const ulong DefaultTextureSizeCapacity = 1 * GiB;
+        private const ulong TextureSizeCapacity6GiB = 4 * GiB;
+        private const ulong TextureSizeCapacity8GiB = 6 * GiB;
+        private const ulong TextureSizeCapacity12GiB = 12 * GiB;
+
+
         private const float MemoryScaleFactor = 0.50f;
-        private ulong _maxCacheMemoryUsage = 0;
+        private ulong _maxCacheMemoryUsage = DefaultTextureSizeCapacity;
 
         private readonly LinkedList<Texture> _textures;
         private ulong _totalSize;
@@ -66,18 +73,38 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// </summary>
         /// <remarks>
         /// If the backend GPU has 0 memory capacity, the cache size defaults to `DefaultTextureSizeCapacity`.
+        /// 
+        /// Reads the current Device total CPU Memory, to determine the maximum amount of Vram available. Capped to 50% of Current GPU Memory.
         /// </remarks>
         /// <param name="context">The GPU context that the cache belongs to</param>
-        public void Initialize(GpuContext context)
+        /// <param name="cpuMemorySize">The amount of physical CPU Memory Avaiable on the device.</param>
+        public void Initialize(GpuContext context, ulong cpuMemorySize)
         {
-            var cacheMemory = (ulong)(context.Capabilities.MaximumGpuMemory * MemoryScaleFactor);
-
-            _maxCacheMemoryUsage = Math.Clamp(cacheMemory, MinTextureSizeCapacity, MaxTextureSizeCapacity);
+            var cpuMemorySizeGiB = cpuMemorySize / GiB;
 
-            if (context.Capabilities.MaximumGpuMemory == 0)
+            if (cpuMemorySizeGiB < 6 || context.Capabilities.MaximumGpuMemory == 0)
             {
                 _maxCacheMemoryUsage = DefaultTextureSizeCapacity;
+                return;
+            }
+            else if (cpuMemorySizeGiB == 6)
+            {
+                MaxTextureSizeCapacity = TextureSizeCapacity6GiB;
+            }
+            else if (cpuMemorySizeGiB == 8)
+            {
+                MaxTextureSizeCapacity = TextureSizeCapacity8GiB;
             }
+            else
+            {
+                MaxTextureSizeCapacity = TextureSizeCapacity12GiB;
+            }
+
+            var cacheMemory = (ulong)(context.Capabilities.MaximumGpuMemory * MemoryScaleFactor);
+
+            _maxCacheMemoryUsage = Math.Clamp(cacheMemory, MinTextureSizeCapacity, MaxTextureSizeCapacity);
+
+            Logger.Info?.Print(LogClass.Gpu, $"AutoDelete Cache Allocated VRAM : {_maxCacheMemoryUsage / GiB} GiB");
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs

@@ -71,9 +71,10 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <summary>
         /// Initializes the cache, setting the maximum texture capacity for the specified GPU context.
         /// </summary>
-        public void Initialize()
+        /// <param name="cpuMemorySize">The amount of physical CPU Memory Avaiable on the device.</param>
+        public void Initialize(ulong cpuMemorySize)
         {
-            _cache.Initialize(_context);
+            _cache.Initialize(_context, cpuMemorySize);
         }
 
         /// <summary>

src/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs

@@ -55,7 +55,8 @@ namespace Ryujinx.Graphics.Gpu.Memory
         /// Creates a new instance of the GPU memory manager.
         /// </summary>
         /// <param name="physicalMemory">Physical memory that this memory manager will map into</param>
-        internal MemoryManager(PhysicalMemory physicalMemory)
+        /// <param name="cpuMemorySize">The amount of physical CPU Memory Avaiable on the device.</param>
+        internal MemoryManager(PhysicalMemory physicalMemory, ulong cpuMemorySize)
         {
             Physical = physicalMemory;
             VirtualRangeCache = new VirtualRangeCache(this);
@@ -65,7 +66,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
             MemoryUnmapped += Physical.BufferCache.MemoryUnmappedHandler;
             MemoryUnmapped += VirtualRangeCache.MemoryUnmappedHandler;
             MemoryUnmapped += CounterCache.MemoryUnmappedHandler;
-            Physical.TextureCache.Initialize();
+            Physical.TextureCache.Initialize(cpuMemorySize);
         }
 
         /// <summary>

src/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostAsGpu/NvHostAsGpuDeviceFile.cs

@@ -42,7 +42,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostAsGpu
 
         public NvHostAsGpuDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, ulong owner) : base(context, owner)
         {
-            _asContext = new AddressSpaceContext(context.Device.Gpu.CreateMemoryManager(owner));
+            _asContext = new AddressSpaceContext(context.Device.Gpu.CreateMemoryManager(owner, context.Device.Memory.Size));
             _memoryAllocator = new NvMemoryAllocator();
         }