Implement Load/Store Local/Shared and Atomic shared using new instructions (#5241)

* Implement Load/Store Local/Shared and Atomic shared using new instructions

* Remove now unused code

* Fix base offset register overwrite

* Fix missing storage buffer set index when generating GLSL for Vulkan

* Shader cache version bump

* Remove more unused code

* Some PR feedback

src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs

@@ -67,6 +67,11 @@ namespace Ryujinx.Graphics.Shader.Translation
             return context.Add(Instruction.AtomicAnd, storageKind, Local(), Const(binding), e0, e1, value);
         }
 
+        public static Operand AtomicCompareAndSwap(this EmitterContext context, StorageKind storageKind, int binding, Operand e0, Operand compare, Operand value)
+        {
+            return context.Add(Instruction.AtomicCompareAndSwap, storageKind, Local(), Const(binding), e0, compare, value);
+        }
+
         public static Operand AtomicCompareAndSwap(this EmitterContext context, StorageKind storageKind, int binding, Operand e0, Operand e1, Operand compare, Operand value)
         {
             return context.Add(Instruction.AtomicCompareAndSwap, storageKind, Local(), Const(binding), e0, e1, compare, value);
@@ -661,16 +666,6 @@ namespace Ryujinx.Graphics.Shader.Translation
                 : context.Load(storageKind, (int)ioVariable, arrayIndex, elemIndex);
         }
 
-        public static Operand LoadLocal(this EmitterContext context, Operand a)
-        {
-            return context.Add(Instruction.LoadLocal, Local(), a);
-        }
-
-        public static Operand LoadShared(this EmitterContext context, Operand a)
-        {
-            return context.Add(Instruction.LoadShared, Local(), a);
-        }
-
         public static Operand MemoryBarrier(this EmitterContext context)
         {
             return context.Add(Instruction.MemoryBarrier);
@@ -753,6 +748,11 @@ namespace Ryujinx.Graphics.Shader.Translation
             return context.Add(Instruction.Store, storageKind, null, e0, e1, value);
         }
 
+        public static Operand Store(this EmitterContext context, StorageKind storageKind, int binding, Operand e0, Operand value)
+        {
+            return context.Add(Instruction.Store, storageKind, null, Const(binding), e0, value);
+        }
+
         public static Operand Store(this EmitterContext context, StorageKind storageKind, int binding, Operand e0, Operand e1, Operand value)
         {
             return context.Add(Instruction.Store, storageKind, null, Const(binding), e0, e1, value);
@@ -797,26 +797,6 @@ namespace Ryujinx.Graphics.Shader.Translation
                 : context.Add(Instruction.Store, storageKind, null, Const((int)ioVariable), arrayIndex, elemIndex, value);
         }
 
-        public static Operand StoreLocal(this EmitterContext context, Operand a, Operand b)
-        {
-            return context.Add(Instruction.StoreLocal, null, a, b);
-        }
-
-        public static Operand StoreShared(this EmitterContext context, Operand a, Operand b)
-        {
-            return context.Add(Instruction.StoreShared, null, a, b);
-        }
-
-        public static Operand StoreShared16(this EmitterContext context, Operand a, Operand b)
-        {
-            return context.Add(Instruction.StoreShared16, null, a, b);
-        }
-
-        public static Operand StoreShared8(this EmitterContext context, Operand a, Operand b)
-        {
-            return context.Add(Instruction.StoreShared8, null, a, b);
-        }
-
         public static Operand UnpackDouble2x32High(this EmitterContext context, Operand a)
         {
             return UnpackDouble2x32(context, a, 1);

src/Ryujinx.Graphics.Shader/Translation/HelperFunctionManager.cs

@@ -9,13 +9,13 @@ namespace Ryujinx.Graphics.Shader.Translation
     class HelperFunctionManager
     {
         private readonly List<Function> _functionList;
-        private readonly Dictionary<HelperFunctionName, int> _functionIds;
+        private readonly Dictionary<int, int> _functionIds;
         private readonly ShaderStage _stage;
 
         public HelperFunctionManager(List<Function> functionList, ShaderStage stage)
         {
             _functionList = functionList;
-            _functionIds = new Dictionary<HelperFunctionName, int>();
+            _functionIds = new Dictionary<int, int>();
             _stage = stage;
         }
 
@@ -29,14 +29,30 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         public int GetOrCreateFunctionId(HelperFunctionName functionName)
         {
-            if (_functionIds.TryGetValue(functionName, out int functionId))
+            if (_functionIds.TryGetValue((int)functionName, out int functionId))
             {
                 return functionId;
             }
 
             Function function = GenerateFunction(functionName);
             functionId = AddFunction(function);
-            _functionIds.Add(functionName, functionId);
+            _functionIds.Add((int)functionName, functionId);
+
+            return functionId;
+        }
+
+        public int GetOrCreateFunctionId(HelperFunctionName functionName, int id)
+        {
+            int key = (int)functionName | (id << 16);
+
+            if (_functionIds.TryGetValue(key, out int functionId))
+            {
+                return functionId;
+            }
+
+            Function function = GenerateFunction(functionName, id);
+            functionId = AddFunction(function);
+            _functionIds.Add(key, functionId);
 
             return functionId;
         }
@@ -140,6 +156,67 @@ namespace Ryujinx.Graphics.Shader.Translation
             return new Function(ControlFlowGraph.Create(context.GetOperations()).Blocks, "ConvertFloatToDouble", false, 1, 2);
         }
 
+        private static Function GenerateFunction(HelperFunctionName functionName, int id)
+        {
+            return functionName switch
+            {
+                HelperFunctionName.SharedAtomicMaxS32 => GenerateSharedAtomicSigned(id, isMin: false),
+                HelperFunctionName.SharedAtomicMinS32 => GenerateSharedAtomicSigned(id, isMin: true),
+                HelperFunctionName.SharedStore8 => GenerateSharedStore8(id),
+                HelperFunctionName.SharedStore16 => GenerateSharedStore16(id),
+                _ => throw new ArgumentException($"Invalid function name {functionName}")
+            };
+        }
+
+        private static Function GenerateSharedAtomicSigned(int id, bool isMin)
+        {
+            EmitterContext context = new EmitterContext();
+
+            Operand wordOffset = Argument(0);
+            Operand value = Argument(1);
+
+            Operand result = GenerateSharedAtomicCasLoop(context, wordOffset, id, (memValue) =>
+            {
+                return isMin
+                    ? context.IMinimumS32(memValue, value)
+                    : context.IMaximumS32(memValue, value);
+            });
+
+            context.Return(result);
+
+            return new Function(ControlFlowGraph.Create(context.GetOperations()).Blocks, $"SharedAtomic{(isMin ? "Min" : "Max")}_{id}", true, 2, 0);
+        }
+
+        private static Function GenerateSharedStore8(int id)
+        {
+            return GenerateSharedStore(id, 8);
+        }
+
+        private static Function GenerateSharedStore16(int id)
+        {
+            return GenerateSharedStore(id, 16);
+        }
+
+        private static Function GenerateSharedStore(int id, int bitSize)
+        {
+            EmitterContext context = new EmitterContext();
+
+            Operand offset = Argument(0);
+            Operand value = Argument(1);
+
+            Operand wordOffset = context.ShiftRightU32(offset, Const(2));
+            Operand bitOffset = GetBitOffset(context, offset);
+
+            GenerateSharedAtomicCasLoop(context, wordOffset, id, (memValue) =>
+            {
+                return context.BitfieldInsert(memValue, value, bitOffset, Const(bitSize));
+            });
+
+            context.Return();
+
+            return new Function(ControlFlowGraph.Create(context.GetOperations()).Blocks, $"SharedStore{bitSize}_{id}", false, 2, 0);
+        }
+
         private Function GenerateTexelFetchScaleFunction()
         {
             EmitterContext context = new EmitterContext();
@@ -226,5 +303,29 @@ namespace Ryujinx.Graphics.Shader.Translation
                     return context.IAdd(Const(1), index);
             }
         }
+
+        public static Operand GetBitOffset(EmitterContext context, Operand offset)
+        {
+            return context.ShiftLeft(context.BitwiseAnd(offset, Const(3)), Const(3));
+        }
+
+        private static Operand GenerateSharedAtomicCasLoop(EmitterContext context, Operand wordOffset, int id, Func<Operand, Operand> opCallback)
+        {
+            Operand lblLoopHead = Label();
+
+            context.MarkLabel(lblLoopHead);
+
+            Operand oldValue = context.Load(StorageKind.SharedMemory, id, wordOffset);
+            Operand newValue = opCallback(oldValue);
+
+            Operand casResult = context.AtomicCompareAndSwap(StorageKind.SharedMemory, id, wordOffset, oldValue, newValue);
+
+            Operand casFail = context.ICompareNotEqual(casResult, oldValue);
+
+            context.BranchIfTrue(lblLoopHead, casFail);
+
+            return oldValue;
+        }
+
     }
 }

src/Ryujinx.Graphics.Shader/Translation/HelperFunctionName.cs

@@ -4,6 +4,10 @@ namespace Ryujinx.Graphics.Shader.Translation
     {
         ConvertDoubleToFloat,
         ConvertFloatToDouble,
+        SharedAtomicMaxS32,
+        SharedAtomicMinS32,
+        SharedStore8,
+        SharedStore16,
         TexelFetchScale,
         TextureSizeUnscale
     }

src/Ryujinx.Graphics.Shader/Translation/Optimizations/GlobalToStorage.cs

@@ -244,7 +244,9 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
                             node = nextNode;
                         }
                     }
-                    else if (operation.Inst == Instruction.StoreShared || operation.Inst == Instruction.StoreLocal)
+                    else if (operation.Inst == Instruction.Store &&
+                        (operation.StorageKind == StorageKind.SharedMemory ||
+                        operation.StorageKind == StorageKind.LocalMemory))
                     {
                         // The NVIDIA compiler can sometimes use shared or local memory as temporary
                         // storage to place the base address and size on, so we need
@@ -874,7 +876,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
 
                 if (bitSize < 32)
                 {
-                    Operand bitOffset = GetBitOffset(context, offset);
+                    Operand bitOffset = HelperFunctionManager.GetBitOffset(context, offset);
 
                     GenerateAtomicCasLoop(context, wordOffset, binding, (memValue) =>
                     {
@@ -892,7 +894,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
 
                 if (IsSmallInt(storageKind))
                 {
-                    Operand bitOffset = GetBitOffset(context, offset);
+                    Operand bitOffset = HelperFunctionManager.GetBitOffset(context, offset);
 
                     switch (storageKind)
                     {
@@ -921,11 +923,6 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
             return true;
         }
 
-        private static Operand GetBitOffset(EmitterContext context, Operand offset)
-        {
-            return context.ShiftLeft(context.BitwiseAnd(offset, Const(3)), Const(3));
-        }
-
         private static Operand GenerateAtomicCasLoop(EmitterContext context, Operand wordOffset, int binding, Func<Operand, Operand> opCallback)
         {
             Operand lblLoopHead = Label();
@@ -1070,15 +1067,18 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
         {
             baseOffset = null;
 
-            if (operation.Inst == Instruction.LoadShared || operation.Inst == Instruction.StoreShared)
+            if (operation.Inst == Instruction.Load || operation.Inst == Instruction.Store)
             {
-                type = LsMemoryType.Shared;
-                return TryGetSharedMemoryOffsets(operation, out baseOffset, out constOffset);
-            }
-            else if (operation.Inst == Instruction.LoadLocal || operation.Inst == Instruction.StoreLocal)
-            {
-                type = LsMemoryType.Local;
-                return TryGetLocalMemoryOffset(operation, out constOffset);
+                if (operation.StorageKind == StorageKind.SharedMemory)
+                {
+                    type = LsMemoryType.Shared;
+                    return TryGetSharedMemoryOffsets(operation, out baseOffset, out constOffset);
+                }
+                else if (operation.StorageKind == StorageKind.LocalMemory)
+                {
+                    type = LsMemoryType.Local;
+                    return TryGetLocalMemoryOffset(operation, out constOffset);
+                }
             }
 
             type = default;

src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs

@@ -1,3 +1,4 @@
+using Ryujinx.Common;
 using Ryujinx.Graphics.Shader.StructuredIr;
 using System;
 using System.Collections.Generic;
@@ -22,9 +23,12 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         private readonly HashSet<int> _usedConstantBufferBindings;
 
+        public int LocalMemoryId { get; }
+        public int SharedMemoryId { get; }
+
         public ShaderProperties Properties => _properties;
 
-        public ResourceManager(ShaderStage stage, IGpuAccessor gpuAccessor, ShaderProperties properties)
+        public ResourceManager(ShaderStage stage, IGpuAccessor gpuAccessor, ShaderProperties properties, int localMemorySize)
         {
             _gpuAccessor = gpuAccessor;
             _properties = properties;
@@ -41,6 +45,25 @@ namespace Ryujinx.Graphics.Shader.Translation
             _usedConstantBufferBindings = new HashSet<int>();
 
             properties.AddConstantBuffer(0, new BufferDefinition(BufferLayout.Std140, 0, 0, "support_buffer", SupportBuffer.GetStructureType()));
+
+            LocalMemoryId = -1;
+            SharedMemoryId = -1;
+
+            if (localMemorySize != 0)
+            {
+                var lmem = new MemoryDefinition("local_memory", AggregateType.Array | AggregateType.U32, BitUtils.DivRoundUp(localMemorySize, sizeof(uint)));
+
+                LocalMemoryId = properties.AddLocalMemory(lmem);
+            }
+
+            int sharedMemorySize = stage == ShaderStage.Compute ? gpuAccessor.QueryComputeSharedMemorySize() : 0;
+
+            if (sharedMemorySize != 0)
+            {
+                var smem = new MemoryDefinition("shared_memory", AggregateType.Array | AggregateType.U32,  BitUtils.DivRoundUp(sharedMemorySize, sizeof(uint)));
+
+                SharedMemoryId = properties.AddSharedMemory(smem);
+            }
         }
 
         public int GetConstantBufferBinding(int slot)

src/Ryujinx.Graphics.Shader/Translation/Rewriter.cs

@@ -1,6 +1,8 @@
 using Ryujinx.Graphics.Shader.IntermediateRepresentation;
 using Ryujinx.Graphics.Shader.StructuredIr;
+using Ryujinx.Graphics.Shader.Translation.Optimizations;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 
 using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
@@ -70,6 +72,15 @@ namespace Ryujinx.Graphics.Shader.Translation
                             }
                         }
                     }
+                    else
+                    {
+                        node = InsertSharedStoreSmallInt(hfm, node);
+
+                        if (config.Options.TargetLanguage != TargetLanguage.Spirv)
+                        {
+                            node = InsertSharedAtomicSigned(hfm, node);
+                        }
+                    }
                 }
             }
         }
@@ -171,6 +182,87 @@ namespace Ryujinx.Graphics.Shader.Translation
             operation.TurnIntoCopy(result);
         }
 
+        private static LinkedListNode<INode> InsertSharedStoreSmallInt(HelperFunctionManager hfm, LinkedListNode<INode> node)
+        {
+            Operation operation = (Operation)node.Value;
+            HelperFunctionName name;
+
+            if (operation.StorageKind == StorageKind.SharedMemory8)
+            {
+                name = HelperFunctionName.SharedStore8;
+            }
+            else if (operation.StorageKind == StorageKind.SharedMemory16)
+            {
+                name = HelperFunctionName.SharedStore16;
+            }
+            else
+            {
+                return node;
+            }
+
+            if (operation.Inst != Instruction.Store)
+            {
+                return node;
+            }
+
+            Operand memoryId = operation.GetSource(0);
+            Operand byteOffset = operation.GetSource(1);
+            Operand value = operation.GetSource(2);
+
+            Debug.Assert(memoryId.Type == OperandType.Constant);
+
+            int functionId = hfm.GetOrCreateFunctionId(name, memoryId.Value);
+
+            Operand[] callArgs = new Operand[] { Const(functionId), byteOffset, value };
+
+            LinkedListNode<INode> newNode = node.List.AddBefore(node, new Operation(Instruction.Call, 0, (Operand)null, callArgs));
+
+            Utils.DeleteNode(node, operation);
+
+            return newNode;
+        }
+
+        private static LinkedListNode<INode> InsertSharedAtomicSigned(HelperFunctionManager hfm, LinkedListNode<INode> node)
+        {
+            Operation operation = (Operation)node.Value;
+            HelperFunctionName name;
+
+            if (operation.Inst == Instruction.AtomicMaxS32)
+            {
+                name = HelperFunctionName.SharedAtomicMaxS32;
+            }
+            else if (operation.Inst == Instruction.AtomicMinS32)
+            {
+                name = HelperFunctionName.SharedAtomicMinS32;
+            }
+            else
+            {
+                return node;
+            }
+
+            if (operation.StorageKind != StorageKind.SharedMemory)
+            {
+                return node;
+            }
+
+            Operand result = operation.Dest;
+            Operand memoryId = operation.GetSource(0);
+            Operand byteOffset = operation.GetSource(1);
+            Operand value = operation.GetSource(2);
+
+            Debug.Assert(memoryId.Type == OperandType.Constant);
+
+            int functionId = hfm.GetOrCreateFunctionId(name, memoryId.Value);
+
+            Operand[] callArgs = new Operand[] { Const(functionId), byteOffset, value };
+
+            LinkedListNode<INode> newNode = node.List.AddBefore(node, new Operation(Instruction.Call, 0, result, callArgs));
+
+            Utils.DeleteNode(node, operation);
+
+            return newNode;
+        }
+
         private static LinkedListNode<INode> InsertTexelFetchScale(HelperFunctionManager hfm, LinkedListNode<INode> node, ShaderConfig config)
         {
             TextureOperation texOp = (TextureOperation)node.Value;

src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs

@@ -124,7 +124,7 @@ namespace Ryujinx.Graphics.Shader.Translation
         private TextureDescriptor[] _cachedTextureDescriptors;
         private TextureDescriptor[] _cachedImageDescriptors;
 
-        public ShaderConfig(ShaderStage stage, IGpuAccessor gpuAccessor, TranslationOptions options)
+        public ShaderConfig(ShaderStage stage, IGpuAccessor gpuAccessor, TranslationOptions options, int localMemorySize)
         {
             Stage       = stage;
             GpuAccessor = gpuAccessor;
@@ -143,7 +143,7 @@ namespace Ryujinx.Graphics.Shader.Translation
             _usedTextures = new Dictionary<TextureInfo, TextureMeta>();
             _usedImages   = new Dictionary<TextureInfo, TextureMeta>();
 
-            ResourceManager = new ResourceManager(stage, gpuAccessor, new ShaderProperties());
+            ResourceManager = new ResourceManager(stage, gpuAccessor, new ShaderProperties(), localMemorySize);
 
             if (!gpuAccessor.QueryHostSupportsTransformFeedback() && gpuAccessor.QueryTransformFeedbackEnabled())
             {
@@ -176,14 +176,17 @@ namespace Ryujinx.Graphics.Shader.Translation
             OutputTopology outputTopology,
             int maxOutputVertices,
             IGpuAccessor gpuAccessor,
-            TranslationOptions options) : this(stage, gpuAccessor, options)
+            TranslationOptions options) : this(stage, gpuAccessor, options, 0)
         {
             ThreadsPerInputPrimitive = 1;
             OutputTopology           = outputTopology;
             MaxOutputVertices        = maxOutputVertices;
         }
 
-        public ShaderConfig(ShaderHeader header, IGpuAccessor gpuAccessor, TranslationOptions options) : this(header.Stage, gpuAccessor, options)
+        public ShaderConfig(
+            ShaderHeader header,
+            IGpuAccessor gpuAccessor,
+            TranslationOptions options) : this(header.Stage, gpuAccessor, options, GetLocalMemorySize(header))
         {
             GpPassthrough            = header.Stage == ShaderStage.Geometry && header.GpPassthrough;
             ThreadsPerInputPrimitive = header.ThreadsPerInputPrimitive;
@@ -197,6 +200,11 @@ namespace Ryujinx.Graphics.Shader.Translation
             LastInVertexPipeline     = header.Stage < ShaderStage.Fragment;
         }
 
+        private static int GetLocalMemorySize(ShaderHeader header)
+        {
+            return header.ShaderLocalMemoryLowSize + header.ShaderLocalMemoryHighSize + (header.ShaderLocalMemoryCrsSize / ThreadsPerWarp);
+        }
+
         private void EnsureTransformFeedbackInitialized()
         {
             if (HasTransformFeedbackOutputs() && _transformFeedbackOutputs == null)

src/Ryujinx.Graphics.Shader/Translation/Translator.cs

@@ -107,7 +107,7 @@ namespace Ryujinx.Graphics.Shader.Translation
 
             if (options.Flags.HasFlag(TranslationFlags.Compute))
             {
-                config = new ShaderConfig(ShaderStage.Compute, gpuAccessor, options);
+                config = new ShaderConfig(ShaderStage.Compute, gpuAccessor, options, gpuAccessor.QueryComputeLocalMemorySize());
 
                 program = Decoder.Decode(config, address);
             }