[sceAudio] added simple audio output implementation, needs to be improved

src/SharpEmu.Libs/Agc/AgcExports.cs

@@ -1204,51 +1204,6 @@ public static class AgcExports
         return ReturnPointer(ctx, commandAddress);
     }
 
-    [SysAbiExport(
-        Nid = "q88lQ+GP5Yk",
-        ExportName = "sceAgcDcbDrawIndex",
-        Target = Generation.Gen5,
-        LibraryName = "libSceAgc")]
-    public static int DcbDrawIndex(CpuContext ctx)
-    {
-        var commandBufferAddress = ctx[CpuRegister.Rdi];
-        var indexCount = (uint)ctx[CpuRegister.Rsi];
-        var indexAddress = ctx[CpuRegister.Rdx];
-        var modifier = (uint)ctx[CpuRegister.Rcx];
-
-        if (commandBufferAddress == 0 || modifier != 0x4000_0000)
-        {
-            return ReturnPointer(ctx, 0);
-        }
-
-        if (!TryAllocateCommandDwords(ctx, commandBufferAddress, 5, out var baseCommand) ||
-            !TryWriteUInt32(ctx, baseCommand, Pm4(3, ItIndexBase, 0)) ||
-            !TryWriteUInt32(ctx, baseCommand + 4, (uint)indexAddress) ||
-            !TryWriteUInt32(ctx, baseCommand + 8, (uint)(indexAddress >> 32)) ||
-            !TryWriteUInt32(ctx, baseCommand + 12, Pm4(2, ItIndexBufferSize, 0)) ||
-            !TryWriteUInt32(ctx, baseCommand + 16, indexCount))
-        {
-            return ReturnPointer(ctx, 0);
-        }
-
-        if (!TryAllocateCommandDwords(ctx, commandBufferAddress, 5, out var drawCommand) ||
-            !TryWriteUInt32(ctx, drawCommand, Pm4(5, ItDrawIndex2, 0)) ||
-            !TryWriteUInt32(ctx, drawCommand + 4, indexCount) ||
-            !TryWriteUInt32(ctx, drawCommand + 8, 0) ||
-            !TryWriteUInt32(ctx, drawCommand + 12, 0) ||
-            !TryWriteUInt32(ctx, drawCommand + 16, 0))
-        {
-            return ReturnPointer(ctx, 0);
-        }
-
-        TraceAgc(
-            $"agc.dcb_draw_index buf=0x{commandBufferAddress:X16} " +
-            $"base=0x{baseCommand:X16} draw=0x{drawCommand:X16} " +
-            $"count={indexCount} index=0x{indexAddress:X16}");
-
-        return ReturnPointer(ctx, drawCommand);
-    }
-
     [SysAbiExport(
         Nid = "Yw0jKSqop+E",
         ExportName = "sceAgcDcbDrawIndexAuto",
@@ -2051,88 +2006,6 @@ public static class AgcExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    [SysAbiExport(
-    Nid = "uJziRsODk1c",
-    ExportName = "sceAgcDriverGetResourceRegistrationMaxNameLength",
-    Target = Generation.Gen5,
-    LibraryName = "libSceAgc")]
-    public static int DriverGetResourceRegistrationMaxNameLength(CpuContext ctx)
-    {
-        var outAddress = ctx[CpuRegister.Rdi];
-
-        if (outAddress == 0)
-        {
-            return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        if (!TryWriteUInt32(ctx, outAddress, 256))
-        {
-            return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        TraceAgc($"agc.driver_get_resource_registration_max_name_length out=0x{outAddress:X16} value=256");
-        return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_OK);
-    }
-
-    private const uint DefaultAgcOwner = 1;
-    [SysAbiExport(
-        Nid = "F0ZXt5q0ZTA",
-        ExportName = "sceAgcDriverGetDefaultOwner",
-        Target = Generation.Gen5,
-        LibraryName = "libSceAgc")]
-    public static int DriverGetDefaultOwner(CpuContext ctx)
-    {
-        var ownerAddress = ctx[CpuRegister.Rdi];
-
-        if (ownerAddress == 0)
-        {
-            return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        if (!TryWriteUInt32(ctx, ownerAddress, DefaultAgcOwner))
-        {
-            return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        TraceAgc($"agc.driver_get_default_owner out=0x{ownerAddress:X16} owner={DefaultAgcOwner}");
-        return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_OK);
-    }
-
-    [SysAbiExport(
-    Nid = "W5z4eZrjEas",
-    ExportName = "sceAgcDriverRegisterResource",
-    Target = Generation.Gen5,
-    LibraryName = "libSceAgc")]
-    public static int DriverRegisterResource(CpuContext ctx)
-    {
-        var resourceAddress = ctx[CpuRegister.Rdi];
-        var owner = (uint)ctx[CpuRegister.Rsi];
-        var nameAddress = ctx[CpuRegister.Rdx];
-        var type = (uint)ctx[CpuRegister.R8];
-        var flags = (uint)ctx[CpuRegister.R9];
-
-        TraceAgc(
-            $"agc.driver_register_resource resource=0x{resourceAddress:X16} owner={owner} " +
-            $"name=0x{nameAddress:X16} type={type} flags={flags}");
-
-        return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_OK);
-    }
-
-    [SysAbiExport(
-    Nid = "-KRzWekV120",
-    ExportName = "sceAgcDriverUnknown_KRzWekV120",
-    Target = Generation.Gen5,
-    LibraryName = "libSceAgc")]
-    public static int DriverUnknownKRzWekV120(CpuContext ctx)
-    {
-        TraceAgc(
-            $"agc.driver_unknown_krz rdi=0x{ctx[CpuRegister.Rdi]:X16} " +
-            $"rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} " +
-            $"rcx=0x{ctx[CpuRegister.Rcx]:X16} r8=0x{ctx[CpuRegister.R8]:X16} r9=0x{ctx[CpuRegister.R9]:X16}");
-
-        return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_OK);
-    }
-
     [SysAbiExport(
         Nid = "h9z6+0hEydk",
         ExportName = "sceAgcSuspendPoint",

src/SharpEmu.Libs/Audio/AudioOutExports.cs

@@ -0,0 +1,92 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+using System.Collections.Concurrent;
+using System.Threading;
+
+namespace SharpEmu.Libs.Audio;
+
+public static class AudioOutExports
+{
+    private static readonly ConcurrentDictionary<int, PortState> Ports = new();
+    private static int _nextPortHandle;
+
+    private sealed record PortState(int UserId, int Type, uint BufferLength, uint Frequency, int Format);
+
+    [SysAbiExport(
+        Nid = "JfEPXVxhFqA",
+        ExportName = "sceAudioOutInit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutInit(CpuContext ctx) => SetReturn(ctx, 0);
+
+    [SysAbiExport(
+        Nid = "ekNvsT22rsY",
+        ExportName = "sceAudioOutOpen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutOpen(CpuContext ctx)
+    {
+        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
+        var type = unchecked((int)ctx[CpuRegister.Rsi]);
+        var bufferLength = unchecked((uint)ctx[CpuRegister.Rcx]);
+        var frequency = unchecked((uint)ctx[CpuRegister.R8]);
+        var format = unchecked((int)ctx[CpuRegister.R9]);
+        if (bufferLength == 0 || frequency == 0)
+        {
+            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var handle = Interlocked.Increment(ref _nextPortHandle);
+        Ports[handle] = new PortState(userId, type, bufferLength, frequency, format);
+        return SetReturn(ctx, handle);
+    }
+
+    [SysAbiExport(
+        Nid = "s1--uE9mBFw",
+        ExportName = "sceAudioOutClose",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutClose(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        return SetReturn(
+            ctx,
+            Ports.TryRemove(handle, out _)
+                ? 0
+                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+    }
+
+    [SysAbiExport(
+        Nid = "QOQtbeDqsT4",
+        ExportName = "sceAudioOutOutput",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutOutput(CpuContext ctx)
+    {
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "b+uAV89IlxE",
+        ExportName = "sceAudioOutSetVolume",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutSetVolume(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        return SetReturn(
+            ctx,
+            Ports.ContainsKey(handle)
+                ? 0
+                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+    }
+
+    private static int SetReturn(CpuContext ctx, int result)
+    {
+        ctx[CpuRegister.Rax] = unchecked((ulong)result);
+        return result;
+    }
+}