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IPC code gen improvements (#6352)

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* HipcGenerator: skip do-nothing call to MemoryMarshal.Cast<byte, byte>() in generated code

* HipcGenerator: fix method name typos

* HipcGenerator: make generated methods use stackalloc for `isBufferMapAlias` bool array

* HipcGenerator: make generated GetCommandHandlers() method return a FrozenDictionary<int, CommandHandler>

* HipcGenerator: return `FrozenDictionary<,>.Empty` when there are no command implementations, otherwise create `FrozenDictionary` from a `IEnumerable<KeyValuePair<,>>`` instead of a `Dictionary<,>``
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jhorv 2024-02-23 19:12:24 -05:00 committed by GitHub
parent d4d0a48bfe
commit 08384ee5a8
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GPG key ID: B5690EEEBB952194
2 changed files with 54 additions and 42 deletions
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92
src/Ryujinx.Horizon.Generators/Hipc/HipcGenerator.cs
View file

@ -74,6 +74,7 @@ namespace Ryujinx.Horizon.Generators.Hipc
generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Cmif;");
generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Hipc;");
generator.AppendLine("using System;");
generator.AppendLine("using System.Collections.Frozen;");
generator.AppendLine("using System.Collections.Generic;");
generator.AppendLine("using System.Runtime.CompilerServices;");
generator.AppendLine("using System.Runtime.InteropServices;");
@ -115,67 +116,76 @@ namespace Ryujinx.Horizon.Generators.Hipc
private static void GenerateMethodTable(CodeGenerator generator, Compilation compilation, CommandInterface commandInterface)
{
generator.EnterScope($"public IReadOnlyDictionary<int, CommandHandler> GetCommandHandlers()");
generator.EnterScope($"return new Dictionary<int, CommandHandler>()");
foreach (var method in commandInterface.CommandImplementations)
if (commandInterface.CommandImplementations.Count == 0)
{
foreach (var commandId in GetAttributeAguments(compilation, method, TypeCommandAttribute, 0))
generator.AppendLine("return FrozenDictionary<int, CommandHandler>.Empty;");
}
else
{
generator.EnterScope($"return FrozenDictionary.ToFrozenDictionary(new []");
foreach (var method in commandInterface.CommandImplementations)
{
string[] args = new string[method.ParameterList.Parameters.Count];
if (args.Length == 0)
foreach (var commandId in GetAttributeArguments(compilation, method, TypeCommandAttribute, 0))
{
generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, Array.Empty<CommandArg>()) }},");
}
else
{
int index = 0;
string[] args = new string[method.ParameterList.Parameters.Count];
foreach (var parameter in method.ParameterList.Parameters)
if (args.Length == 0)
{
string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
CommandArgType argType = GetCommandArgType(compilation, parameter);
generator.AppendLine($"KeyValuePair.Create({commandId}, new CommandHandler({method.Identifier.Text}, Array.Empty<CommandArg>())),");
}
else
{
int index = 0;
string arg;
if (argType == CommandArgType.Buffer)
foreach (var parameter in method.ParameterList.Parameters)
{
string bufferFlags = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 0);
string bufferFixedSize = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 1);
string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
CommandArgType argType = GetCommandArgType(compilation, parameter);
if (bufferFixedSize != null)
string arg;
if (argType == CommandArgType.Buffer)
{
arg = $"new CommandArg({bufferFlags} | HipcBufferFlags.FixedSize, {bufferFixedSize})";
string bufferFlags = GetFirstAttributeArgument(compilation, parameter, TypeBufferAttribute, 0);
string bufferFixedSize = GetFirstAttributeArgument(compilation, parameter, TypeBufferAttribute, 1);
if (bufferFixedSize != null)
{
arg = $"new CommandArg({bufferFlags} | HipcBufferFlags.FixedSize, {bufferFixedSize})";
}
else
{
arg = $"new CommandArg({bufferFlags})";
}
}
else if (argType == CommandArgType.InArgument || argType == CommandArgType.OutArgument)
{
string alignment = GetTypeAlignmentExpression(compilation, parameter.Type);
arg = $"new CommandArg(CommandArgType.{argType}, Unsafe.SizeOf<{canonicalTypeName}>(), {alignment})";
}
else
{
arg = $"new CommandArg({bufferFlags})";
arg = $"new CommandArg(CommandArgType.{argType})";
}
}
else if (argType == CommandArgType.InArgument || argType == CommandArgType.OutArgument)
{
string alignment = GetTypeAlignmentExpression(compilation, parameter.Type);
arg = $"new CommandArg(CommandArgType.{argType}, Unsafe.SizeOf<{canonicalTypeName}>(), {alignment})";
}
else
{
arg = $"new CommandArg(CommandArgType.{argType})";
args[index++] = arg;
}
args[index++] = arg;
generator.AppendLine($"KeyValuePair.Create({commandId}, new CommandHandler({method.Identifier.Text}, {string.Join(", ", args)})),");
}
generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, {string.Join(", ", args)}) }},");
}
}
generator.LeaveScope(");");
}
generator.LeaveScope(";");
generator.LeaveScope();
}
private static IEnumerable<string> GetAttributeAguments(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
private static IEnumerable<string> GetAttributeArguments(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
{
ISymbol symbol = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetDeclaredSymbol(syntaxNode);
@ -188,9 +198,9 @@ namespace Ryujinx.Horizon.Generators.Hipc
}
}
private static string GetFirstAttributeAgument(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
private static string GetFirstAttributeArgument(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
{
return GetAttributeAguments(compilation, syntaxNode, attributeName, argIndex).FirstOrDefault();
return GetAttributeArguments(compilation, syntaxNode, attributeName, argIndex).FirstOrDefault();
}
private static void GenerateMethod(CodeGenerator generator, Compilation compilation, MethodDeclarationSyntax method)
@ -233,7 +243,7 @@ namespace Ryujinx.Horizon.Generators.Hipc
if (buffersCount != 0)
{
generator.AppendLine($"bool[] {IsBufferMapAliasVariableName} = new bool[{method.ParameterList.Parameters.Count}];");
generator.AppendLine($"Span<bool> {IsBufferMapAliasVariableName} = stackalloc bool[{method.ParameterList.Parameters.Count}];");
generator.AppendLine();
generator.AppendLine($"{ResultVariableName} = processor.ProcessBuffers(ref context, {IsBufferMapAliasVariableName}, runtimeMetadata);");
@ -719,7 +729,9 @@ namespace Ryujinx.Horizon.Generators.Hipc
private static string GenerateSpanCast(string targetType, string input)
{
return $"MemoryMarshal.Cast<byte, {targetType}>({input})";
return targetType == "byte"
? input
: $"MemoryMarshal.Cast<byte, {targetType}>({input})";
}
private static bool HasAttribute(Compilation compilation, ParameterSyntax parameterSyntax, string fullAttributeName)

4
src/Ryujinx.Horizon/Sdk/Sf/HipcCommandProcessor.cs
View file

@ -127,7 +127,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
return _bufferRanges[argIndex];
}
public Result ProcessBuffers(ref ServiceDispatchContext context, bool[] isBufferMapAlias, ServerMessageRuntimeMetadata runtimeMetadata)
public Result ProcessBuffers(ref ServiceDispatchContext context, scoped Span<bool> isBufferMapAlias, ServerMessageRuntimeMetadata runtimeMetadata)
{
bool mapAliasBuffersValid = true;
@ -246,7 +246,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
return mode == HipcBufferMode.Normal;
}
public void SetOutBuffers(HipcMessageData response, bool[] isBufferMapAlias)
public void SetOutBuffers(HipcMessageData response, ReadOnlySpan<bool> isBufferMapAlias)
{
int recvPointerIndex = 0;