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Ryujinx/Ryujinx.HLE/HOS/Services/Vi/NvFlinger.cs

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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gal;
using Ryujinx.Graphics.Memory;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Nv.NvGpuAS;
using Ryujinx.HLE.HOS.Services.Nv.NvMap;
using System;
using System.Collections.Generic;
2018-03-20 21:00:00 +01:00
using System.IO;
using System.Text;
using System.Threading;
using static Ryujinx.HLE.HOS.Services.Android.Parcel;
namespace Ryujinx.HLE.HOS.Services.Android
{
class NvFlinger : IDisposable
{
private delegate long ServiceProcessParcel(ServiceCtx context, BinaryReader parcelReader);
private Dictionary<(string, int), ServiceProcessParcel> _commands;
private KEvent _binderEvent;
private IGalRenderer _renderer;
private const int BufferQueueCount = 0x40;
private const int BufferQueueMask = BufferQueueCount - 1;
[Flags]
private enum HalTransform
{
FlipX = 1 << 0,
FlipY = 1 << 1,
Rotate90 = 1 << 2
}
private enum BufferState
{
Free,
Dequeued,
Queued,
Acquired
}
private struct Rect
{
public int Top;
public int Left;
public int Right;
public int Bottom;
}
private struct BufferEntry
{
public BufferState State;
public HalTransform Transform;
public Rect Crop;
public GbpBuffer Data;
}
private BufferEntry[] _bufferQueue;
private AutoResetEvent _waitBufferFree;
private bool _disposed;
public NvFlinger(IGalRenderer renderer, KEvent binderEvent)
{
_commands = new Dictionary<(string, int), ServiceProcessParcel>
{
{ ("android.gui.IGraphicBufferProducer", 0x1), GbpRequestBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x3), GbpDequeueBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x4), GbpDetachBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x7), GbpQueueBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x8), GbpCancelBuffer },
{ ("android.gui.IGraphicBufferProducer", 0x9), GbpQuery },
{ ("android.gui.IGraphicBufferProducer", 0xa), GbpConnect },
{ ("android.gui.IGraphicBufferProducer", 0xb), GbpDisconnect },
{ ("android.gui.IGraphicBufferProducer", 0xe), GbpPreallocBuffer }
};
_renderer = renderer;
_binderEvent = binderEvent;
_bufferQueue = new BufferEntry[0x40];
_waitBufferFree = new AutoResetEvent(false);
}
public long ProcessParcelRequest(ServiceCtx context, byte[] parcelData, int code)
{
using (MemoryStream ms = new MemoryStream(parcelData))
{
BinaryReader reader = new BinaryReader(ms);
ms.Seek(4, SeekOrigin.Current);
int strSize = reader.ReadInt32();
string interfaceName = Encoding.Unicode.GetString(reader.ReadBytes(strSize * 2));
long remainder = ms.Position & 0xf;
if (remainder != 0)
{
ms.Seek(0x10 - remainder, SeekOrigin.Current);
}
ms.Seek(0x50, SeekOrigin.Begin);
if (_commands.TryGetValue((interfaceName, code), out ServiceProcessParcel procReq))
{
Logger.PrintDebug(LogClass.ServiceVi, $"{interfaceName} {procReq.Method.Name}");
return procReq(context, reader);
}
else
{
throw new NotImplementedException($"{interfaceName} {code}");
}
}
}
private long GbpRequestBuffer(ServiceCtx context, BinaryReader parcelReader)
{
int slot = parcelReader.ReadInt32();
using (MemoryStream ms = new MemoryStream())
{
BinaryWriter writer = new BinaryWriter(ms);
BufferEntry entry = _bufferQueue[slot];
int bufferCount = 1; //?
long bufferSize = entry.Data.Size;
writer.Write(bufferCount);
writer.Write(bufferSize);
entry.Data.Write(writer);
writer.Write(0);
return MakeReplyParcel(context, ms.ToArray());
}
}
private long GbpDequeueBuffer(ServiceCtx context, BinaryReader parcelReader)
{
//TODO: Errors.
int format = parcelReader.ReadInt32();
int width = parcelReader.ReadInt32();
int height = parcelReader.ReadInt32();
int getTimestamps = parcelReader.ReadInt32();
int usage = parcelReader.ReadInt32();
int slot = GetFreeSlotBlocking(width, height);
return MakeReplyParcel(context, slot, 1, 0x24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
private long GbpQueueBuffer(ServiceCtx context, BinaryReader parcelReader)
{
context.Device.Statistics.RecordGameFrameTime();
//TODO: Errors.
int slot = parcelReader.ReadInt32();
int unknown4 = parcelReader.ReadInt32();
int unknown8 = parcelReader.ReadInt32();
int unknownC = parcelReader.ReadInt32();
int timestamp = parcelReader.ReadInt32();
int isAutoTimestamp = parcelReader.ReadInt32();
int cropTop = parcelReader.ReadInt32();
int cropLeft = parcelReader.ReadInt32();
int cropRight = parcelReader.ReadInt32();
int cropBottom = parcelReader.ReadInt32();
int scalingMode = parcelReader.ReadInt32();
int transform = parcelReader.ReadInt32();
int stickyTransform = parcelReader.ReadInt32();
int unknown34 = parcelReader.ReadInt32();
int unknown38 = parcelReader.ReadInt32();
int isFenceValid = parcelReader.ReadInt32();
int fence0Id = parcelReader.ReadInt32();
int fence0Value = parcelReader.ReadInt32();
int fence1Id = parcelReader.ReadInt32();
int fence1Value = parcelReader.ReadInt32();
_bufferQueue[slot].Transform = (HalTransform)transform;
_bufferQueue[slot].Crop.Top = cropTop;
_bufferQueue[slot].Crop.Left = cropLeft;
_bufferQueue[slot].Crop.Right = cropRight;
_bufferQueue[slot].Crop.Bottom = cropBottom;
_bufferQueue[slot].State = BufferState.Queued;
SendFrameBuffer(context, slot);
if (context.Device.EnableDeviceVsync)
{
context.Device.VsyncEvent.WaitOne();
}
return MakeReplyParcel(context, 1280, 720, 0, 0, 0);
}
private long GbpDetachBuffer(ServiceCtx context, BinaryReader parcelReader)
{
return MakeReplyParcel(context, 0);
}
private long GbpCancelBuffer(ServiceCtx context, BinaryReader parcelReader)
{
//TODO: Errors.
int slot = parcelReader.ReadInt32();
_bufferQueue[slot].State = BufferState.Free;
_waitBufferFree.Set();
return MakeReplyParcel(context, 0);
}
private long GbpQuery(ServiceCtx context, BinaryReader parcelReader)
{
return MakeReplyParcel(context, 0, 0);
}
private long GbpConnect(ServiceCtx context, BinaryReader parcelReader)
{
return MakeReplyParcel(context, 1280, 720, 0, 0, 0);
}
private long GbpDisconnect(ServiceCtx context, BinaryReader parcelReader)
{
return MakeReplyParcel(context, 0);
}
private long GbpPreallocBuffer(ServiceCtx context, BinaryReader parcelReader)
{
int slot = parcelReader.ReadInt32();
int bufferCount = parcelReader.ReadInt32();
if (bufferCount > 0)
{
long bufferSize = parcelReader.ReadInt64();
_bufferQueue[slot].State = BufferState.Free;
_bufferQueue[slot].Data = new GbpBuffer(parcelReader);
}
return MakeReplyParcel(context, 0);
}
private long MakeReplyParcel(ServiceCtx context, params int[] ints)
{
using (MemoryStream ms = new MemoryStream())
{
BinaryWriter writer = new BinaryWriter(ms);
foreach (int Int in ints)
{
writer.Write(Int);
}
return MakeReplyParcel(context, ms.ToArray());
}
}
private long MakeReplyParcel(ServiceCtx context, byte[] data)
{
(long replyPos, long replySize) = context.Request.GetBufferType0x22();
byte[] reply = MakeParcel(data, new byte[0]);
context.Memory.WriteBytes(replyPos, reply);
return 0;
}
private void SendFrameBuffer(ServiceCtx context, int slot)
{
int fbWidth = _bufferQueue[slot].Data.Width;
int fbHeight = _bufferQueue[slot].Data.Height;
int nvMapHandle = BitConverter.ToInt32(_bufferQueue[slot].Data.RawData, 0x4c);
int bufferOffset = BitConverter.ToInt32(_bufferQueue[slot].Data.RawData, 0x50);
NvMapHandle map = NvMapIoctl.GetNvMap(context, nvMapHandle);
long fbAddr = map.Address + bufferOffset;
_bufferQueue[slot].State = BufferState.Acquired;
Rect crop = _bufferQueue[slot].Crop;
bool flipX = _bufferQueue[slot].Transform.HasFlag(HalTransform.FlipX);
bool flipY = _bufferQueue[slot].Transform.HasFlag(HalTransform.FlipY);
//Note: Rotation is being ignored.
int top = crop.Top;
int left = crop.Left;
int right = crop.Right;
int bottom = crop.Bottom;
NvGpuVmm vmm = NvGpuASIoctl.GetASCtx(context).Vmm;
_renderer.QueueAction(() =>
{
if (!_renderer.Texture.TryGetImage(fbAddr, out GalImage image))
{
image = new GalImage(
fbWidth,
fbHeight, 1, 16,
GalMemoryLayout.BlockLinear,
GalImageFormat.RGBA8 | GalImageFormat.Unorm);
}
context.Device.Gpu.ResourceManager.ClearPbCache();
context.Device.Gpu.ResourceManager.SendTexture(vmm, fbAddr, image);
_renderer.RenderTarget.SetTransform(flipX, flipY, top, left, right, bottom);
_renderer.RenderTarget.Present(fbAddr);
ReleaseBuffer(slot);
});
}
private void ReleaseBuffer(int slot)
{
_bufferQueue[slot].State = BufferState.Free;
_binderEvent.ReadableEvent.Signal();
_waitBufferFree.Set();
}
private int GetFreeSlotBlocking(int width, int height)
{
int slot;
do
{
if ((slot = GetFreeSlot(width, height)) != -1)
{
break;
}
if (_disposed)
{
break;
}
_waitBufferFree.WaitOne();
}
while (!_disposed);
return slot;
}
private int GetFreeSlot(int width, int height)
{
lock (_bufferQueue)
{
for (int slot = 0; slot < _bufferQueue.Length; slot++)
{
if (_bufferQueue[slot].State != BufferState.Free)
{
continue;
}
GbpBuffer data = _bufferQueue[slot].Data;
if (data.Width == width &&
data.Height == height)
{
_bufferQueue[slot].State = BufferState.Dequeued;
return slot;
}
}
}
return -1;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
_disposed = true;
_waitBufferFree.Set();
_waitBufferFree.Dispose();
}
}
}
}