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-rw-r--r--src/Ryujinx.HLE/HOS/Services/Vi/RootService/IApplicationDisplayService.cs487
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diff --git a/src/Ryujinx.HLE/HOS/Services/Vi/RootService/IApplicationDisplayService.cs b/src/Ryujinx.HLE/HOS/Services/Vi/RootService/IApplicationDisplayService.cs
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+++ b/src/Ryujinx.HLE/HOS/Services/Vi/RootService/IApplicationDisplayService.cs
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+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.Common.Memory;
+using Ryujinx.HLE.HOS.Applets;
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Services.SurfaceFlinger;
+using Ryujinx.HLE.HOS.Services.Vi.RootService.ApplicationDisplayService;
+using Ryujinx.HLE.HOS.Services.Vi.RootService.ApplicationDisplayService.Types;
+using Ryujinx.HLE.HOS.Services.Vi.Types;
+using Ryujinx.HLE.Ui;
+using Ryujinx.Horizon.Common;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Runtime.CompilerServices;
+using System.Text;
+
+namespace Ryujinx.HLE.HOS.Services.Vi.RootService
+{
+ class IApplicationDisplayService : IpcService
+ {
+ private readonly ViServiceType _serviceType;
+
+ private class DisplayState
+ {
+ public int RetrievedEventsCount;
+ }
+
+ private readonly List<DisplayInfo> _displayInfo;
+ private readonly Dictionary<ulong, DisplayState> _openDisplays;
+
+ private int _vsyncEventHandle;
+
+ public IApplicationDisplayService(ViServiceType serviceType)
+ {
+ _serviceType = serviceType;
+ _displayInfo = new List<DisplayInfo>();
+ _openDisplays = new Dictionary<ulong, DisplayState>();
+
+ void AddDisplayInfo(string name, bool layerLimitEnabled, ulong layerLimitMax, ulong width, ulong height)
+ {
+ DisplayInfo displayInfo = new DisplayInfo()
+ {
+ Name = new Array64<byte>(),
+ LayerLimitEnabled = layerLimitEnabled,
+ Padding = new Array7<byte>(),
+ LayerLimitMax = layerLimitMax,
+ Width = width,
+ Height = height
+ };
+
+ Encoding.ASCII.GetBytes(name).AsSpan().CopyTo(displayInfo.Name.AsSpan());
+
+ _displayInfo.Add(displayInfo);
+ }
+
+ AddDisplayInfo("Default", true, 1, 1920, 1080);
+ AddDisplayInfo("External", true, 1, 1920, 1080);
+ AddDisplayInfo("Edid", true, 1, 0, 0);
+ AddDisplayInfo("Internal", true, 1, 1920, 1080);
+ AddDisplayInfo("Null", false, 0, 1920, 1080);
+ }
+
+ [CommandCmif(100)]
+ // GetRelayService() -> object<nns::hosbinder::IHOSBinderDriver>
+ public ResultCode GetRelayService(ServiceCtx context)
+ {
+ // FIXME: Should be _serviceType != ViServiceType.Application but guests crashes if we do this check.
+ if (_serviceType > ViServiceType.System)
+ {
+ return ResultCode.PermissionDenied;
+ }
+
+ MakeObject(context, new HOSBinderDriverServer());
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(101)]
+ // GetSystemDisplayService() -> object<nn::visrv::sf::ISystemDisplayService>
+ public ResultCode GetSystemDisplayService(ServiceCtx context)
+ {
+ // FIXME: Should be _serviceType == ViServiceType.System but guests crashes if we do this check.
+ if (_serviceType > ViServiceType.System)
+ {
+ return ResultCode.PermissionDenied;
+ }
+
+ MakeObject(context, new ISystemDisplayService(this));
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(102)]
+ // GetManagerDisplayService() -> object<nn::visrv::sf::IManagerDisplayService>
+ public ResultCode GetManagerDisplayService(ServiceCtx context)
+ {
+ if (_serviceType > ViServiceType.System)
+ {
+ return ResultCode.PermissionDenied;
+ }
+
+ MakeObject(context, new IManagerDisplayService(this));
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(103)] // 2.0.0+
+ // GetIndirectDisplayTransactionService() -> object<nns::hosbinder::IHOSBinderDriver>
+ public ResultCode GetIndirectDisplayTransactionService(ServiceCtx context)
+ {
+ if (_serviceType > ViServiceType.System)
+ {
+ return ResultCode.PermissionDenied;
+ }
+
+ MakeObject(context, new HOSBinderDriverServer());
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(1000)]
+ // ListDisplays() -> (u64 count, buffer<nn::vi::DisplayInfo, 6>)
+ public ResultCode ListDisplays(ServiceCtx context)
+ {
+ ulong displayInfoBuffer = context.Request.ReceiveBuff[0].Position;
+
+ // TODO: Determine when more than one display is needed.
+ ulong displayCount = 1;
+
+ for (int i = 0; i < (int)displayCount; i++)
+ {
+ context.Memory.Write(displayInfoBuffer + (ulong)(i * Unsafe.SizeOf<DisplayInfo>()), _displayInfo[i]);
+ }
+
+ context.ResponseData.Write(displayCount);
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(1010)]
+ // OpenDisplay(nn::vi::DisplayName) -> u64 display_id
+ public ResultCode OpenDisplay(ServiceCtx context)
+ {
+ string name = "";
+
+ for (int index = 0; index < 8 && context.RequestData.BaseStream.Position < context.RequestData.BaseStream.Length; index++)
+ {
+ byte chr = context.RequestData.ReadByte();
+
+ if (chr >= 0x20 && chr < 0x7f)
+ {
+ name += (char)chr;
+ }
+ }
+
+ return OpenDisplayImpl(context, name);
+ }
+
+ [CommandCmif(1011)]
+ // OpenDefaultDisplay() -> u64 display_id
+ public ResultCode OpenDefaultDisplay(ServiceCtx context)
+ {
+ return OpenDisplayImpl(context, "Default");
+ }
+
+ private ResultCode OpenDisplayImpl(ServiceCtx context, string name)
+ {
+ if (name == "")
+ {
+ return ResultCode.InvalidValue;
+ }
+
+ int displayId = _displayInfo.FindIndex(display => Encoding.ASCII.GetString(display.Name.AsSpan()).Trim('\0') == name);
+
+ if (displayId == -1)
+ {
+ return ResultCode.InvalidValue;
+ }
+
+ if (!_openDisplays.TryAdd((ulong)displayId, new DisplayState()))
+ {
+ return ResultCode.AlreadyOpened;
+ }
+
+ context.ResponseData.Write((ulong)displayId);
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(1020)]
+ // CloseDisplay(u64 display_id)
+ public ResultCode CloseDisplay(ServiceCtx context)
+ {
+ ulong displayId = context.RequestData.ReadUInt64();
+
+ if (!_openDisplays.Remove(displayId))
+ {
+ return ResultCode.InvalidValue;
+ }
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(1101)]
+ // SetDisplayEnabled(u32 enabled_bool, u64 display_id)
+ public ResultCode SetDisplayEnabled(ServiceCtx context)
+ {
+ // NOTE: Stubbed in original service.
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(1102)]
+ // GetDisplayResolution(u64 display_id) -> (u64 width, u64 height)
+ public ResultCode GetDisplayResolution(ServiceCtx context)
+ {
+ // NOTE: Not used in original service.
+ // ulong displayId = context.RequestData.ReadUInt64();
+
+ // NOTE: Returns ResultCode.InvalidArguments if width and height pointer are null, doesn't occur in our case.
+
+ // NOTE: Values are hardcoded in original service.
+ context.ResponseData.Write(1280UL); // Width
+ context.ResponseData.Write(720UL); // Height
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(2020)]
+ // OpenLayer(nn::vi::DisplayName, u64, nn::applet::AppletResourceUserId, pid) -> (u64, buffer<bytes, 6>)
+ public ResultCode OpenLayer(ServiceCtx context)
+ {
+ // TODO: support multi display.
+ byte[] displayName = context.RequestData.ReadBytes(0x40);
+
+ long layerId = context.RequestData.ReadInt64();
+ long userId = context.RequestData.ReadInt64();
+ ulong parcelPtr = context.Request.ReceiveBuff[0].Position;
+
+ ResultCode result = context.Device.System.SurfaceFlinger.OpenLayer(context.Request.HandleDesc.PId, layerId, out IBinder producer);
+
+ if (result != ResultCode.Success)
+ {
+ return result;
+ }
+
+ context.Device.System.SurfaceFlinger.SetRenderLayer(layerId);
+
+ Parcel parcel = new Parcel(0x28, 0x4);
+
+ parcel.WriteObject(producer, "dispdrv\0");
+
+ ReadOnlySpan<byte> parcelData = parcel.Finish();
+
+ context.Memory.Write(parcelPtr, parcelData);
+
+ context.ResponseData.Write((long)parcelData.Length);
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(2021)]
+ // CloseLayer(u64)
+ public ResultCode CloseLayer(ServiceCtx context)
+ {
+ long layerId = context.RequestData.ReadInt64();
+
+ return context.Device.System.SurfaceFlinger.CloseLayer(layerId);
+ }
+
+ [CommandCmif(2030)]
+ // CreateStrayLayer(u32, u64) -> (u64, u64, buffer<bytes, 6>)
+ public ResultCode CreateStrayLayer(ServiceCtx context)
+ {
+ long layerFlags = context.RequestData.ReadInt64();
+ long displayId = context.RequestData.ReadInt64();
+
+ ulong parcelPtr = context.Request.ReceiveBuff[0].Position;
+
+ // TODO: support multi display.
+ IBinder producer = context.Device.System.SurfaceFlinger.CreateLayer(out long layerId, 0, LayerState.Stray);
+
+ context.Device.System.SurfaceFlinger.SetRenderLayer(layerId);
+
+ Parcel parcel = new Parcel(0x28, 0x4);
+
+ parcel.WriteObject(producer, "dispdrv\0");
+
+ ReadOnlySpan<byte> parcelData = parcel.Finish();
+
+ context.Memory.Write(parcelPtr, parcelData);
+
+ context.ResponseData.Write(layerId);
+ context.ResponseData.Write((long)parcelData.Length);
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(2031)]
+ // DestroyStrayLayer(u64)
+ public ResultCode DestroyStrayLayer(ServiceCtx context)
+ {
+ long layerId = context.RequestData.ReadInt64();
+
+ return context.Device.System.SurfaceFlinger.DestroyStrayLayer(layerId);
+ }
+
+ [CommandCmif(2101)]
+ // SetLayerScalingMode(u32, u64)
+ public ResultCode SetLayerScalingMode(ServiceCtx context)
+ {
+ /*
+ uint sourceScalingMode = context.RequestData.ReadUInt32();
+ ulong layerId = context.RequestData.ReadUInt64();
+ */
+ // NOTE: Original service converts SourceScalingMode to DestinationScalingMode but does nothing with the converted value.
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(2102)] // 5.0.0+
+ // ConvertScalingMode(u32 source_scaling_mode) -> u64 destination_scaling_mode
+ public ResultCode ConvertScalingMode(ServiceCtx context)
+ {
+ SourceScalingMode scalingMode = (SourceScalingMode)context.RequestData.ReadInt32();
+
+ DestinationScalingMode? convertedScalingMode = scalingMode switch
+ {
+ SourceScalingMode.None => DestinationScalingMode.None,
+ SourceScalingMode.Freeze => DestinationScalingMode.Freeze,
+ SourceScalingMode.ScaleAndCrop => DestinationScalingMode.ScaleAndCrop,
+ SourceScalingMode.ScaleToWindow => DestinationScalingMode.ScaleToWindow,
+ SourceScalingMode.PreserveAspectRatio => DestinationScalingMode.PreserveAspectRatio,
+ _ => null,
+ };
+
+ if (!convertedScalingMode.HasValue)
+ {
+ // Scaling mode out of the range of valid values.
+ return ResultCode.InvalidArguments;
+ }
+
+ if (scalingMode != SourceScalingMode.ScaleToWindow && scalingMode != SourceScalingMode.PreserveAspectRatio)
+ {
+ // Invalid scaling mode specified.
+ return ResultCode.InvalidScalingMode;
+ }
+
+ context.ResponseData.Write((ulong)convertedScalingMode);
+
+ return ResultCode.Success;
+ }
+
+ private ulong GetA8B8G8R8LayerSize(int width, int height, out int pitch, out int alignment)
+ {
+ const int defaultAlignment = 0x1000;
+ const ulong defaultSize = 0x20000;
+
+ alignment = defaultAlignment;
+ pitch = BitUtils.AlignUp(BitUtils.DivRoundUp(width * 32, 8), 64);
+
+ int memorySize = pitch * BitUtils.AlignUp(height, 64);
+ ulong requiredMemorySize = (ulong)BitUtils.AlignUp(memorySize, alignment);
+
+ return (requiredMemorySize + defaultSize - 1) / defaultSize * defaultSize;
+ }
+
+ [CommandCmif(2450)]
+ // GetIndirectLayerImageMap(s64 width, s64 height, u64 handle, nn::applet::AppletResourceUserId, pid) -> (s64, s64, buffer<bytes, 0x46>)
+ public ResultCode GetIndirectLayerImageMap(ServiceCtx context)
+ {
+ // The size of the layer buffer should be an aligned multiple of width * height
+ // because it was created using GetIndirectLayerImageRequiredMemoryInfo as a guide.
+
+ long layerWidth = context.RequestData.ReadInt64();
+ long layerHeight = context.RequestData.ReadInt64();
+ long layerHandle = context.RequestData.ReadInt64();
+ ulong layerBuffPosition = context.Request.ReceiveBuff[0].Position;
+ ulong layerBuffSize = context.Request.ReceiveBuff[0].Size;
+
+ // Get the pitch of the layer that is necessary to render correctly.
+ ulong size = GetA8B8G8R8LayerSize((int)layerWidth, (int)layerHeight, out int pitch, out _);
+
+ Debug.Assert(layerBuffSize == size);
+
+ RenderingSurfaceInfo surfaceInfo = new RenderingSurfaceInfo(ColorFormat.A8B8G8R8, (uint)layerWidth, (uint)layerHeight, (uint)pitch, (uint)layerBuffSize);
+
+ // Get the applet associated with the handle.
+ object appletObject = context.Device.System.AppletState.IndirectLayerHandles.GetData((int)layerHandle);
+
+ if (appletObject == null)
+ {
+ Logger.Error?.Print(LogClass.ServiceVi, $"Indirect layer handle {layerHandle} does not match any applet");
+
+ return ResultCode.Success;
+ }
+
+ Debug.Assert(appletObject is IApplet);
+
+ IApplet applet = appletObject as IApplet;
+
+ if (!applet.DrawTo(surfaceInfo, context.Memory, layerBuffPosition))
+ {
+ Logger.Warning?.Print(LogClass.ServiceVi, $"Applet did not draw on indirect layer handle {layerHandle}");
+
+ return ResultCode.Success;
+ }
+
+ context.ResponseData.Write(layerWidth);
+ context.ResponseData.Write(layerHeight);
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(2460)]
+ // GetIndirectLayerImageRequiredMemoryInfo(u64 width, u64 height) -> (u64 size, u64 alignment)
+ public ResultCode GetIndirectLayerImageRequiredMemoryInfo(ServiceCtx context)
+ {
+ /*
+ // Doesn't occur in our case.
+ if (sizePtr == null || address_alignmentPtr == null)
+ {
+ return ResultCode.InvalidArguments;
+ }
+ */
+
+ int width = (int)context.RequestData.ReadUInt64();
+ int height = (int)context.RequestData.ReadUInt64();
+
+ if (height < 0 || width < 0)
+ {
+ return ResultCode.InvalidLayerSize;
+ }
+ else
+ {
+ /*
+ // Doesn't occur in our case.
+ if (!service_initialized)
+ {
+ return ResultCode.InvalidArguments;
+ }
+ */
+
+ // NOTE: The official service setup a A8B8G8R8 texture with a linear layout and then query its size.
+ // As we don't need this texture on the emulator, we can just simplify this logic and directly
+ // do a linear layout size calculation. (stride * height * bytePerPixel)
+ ulong size = GetA8B8G8R8LayerSize(width, height, out int pitch, out int alignment);
+
+ context.ResponseData.Write(size);
+ context.ResponseData.Write(alignment);
+ }
+
+ return ResultCode.Success;
+ }
+
+ [CommandCmif(5202)]
+ // GetDisplayVsyncEvent(u64) -> handle<copy>
+ public ResultCode GetDisplayVSyncEvent(ServiceCtx context)
+ {
+ ulong displayId = context.RequestData.ReadUInt64();
+
+ if (!_openDisplays.TryGetValue(displayId, out DisplayState displayState))
+ {
+ return ResultCode.InvalidValue;
+ }
+
+ if (displayState.RetrievedEventsCount > 0)
+ {
+ return ResultCode.PermissionDenied;
+ }
+
+ if (_vsyncEventHandle == 0)
+ {
+ if (context.Process.HandleTable.GenerateHandle(context.Device.System.VsyncEvent.ReadableEvent, out _vsyncEventHandle) != Result.Success)
+ {
+ throw new InvalidOperationException("Out of handles!");
+ }
+ }
+
+ displayState.RetrievedEventsCount++;
+ context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_vsyncEventHandle);
+
+ return ResultCode.Success;
+ }
+ }
+} \ No newline at end of file