using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Gpu;
using Ryujinx.Graphics.Gpu.Synchronization;
using Ryujinx.HLE.HOS.Services.Nv.Types;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
{
[StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x24)]
struct AndroidFence : IFlattenable
public int FenceCount;
private byte _fenceStorageStart;
private Span<byte> _storage => MemoryMarshal.CreateSpan(ref _fenceStorageStart, Unsafe.SizeOf<NvFence>() * 4);
public Span<NvFence> NvFences => MemoryMarshal.Cast<byte, NvFence>(_storage);
public static AndroidFence NoFence
get
AndroidFence fence = new AndroidFence
FenceCount = 0
};
fence.NvFences[0].Id = NvFence.InvalidSyncPointId;
return fence;
}
public void AddFence(NvFence fence)
NvFences[FenceCount++] = fence;
public void WaitForever(GpuContext gpuContext)
bool hasTimeout = Wait(gpuContext, TimeSpan.FromMilliseconds(3000));
if (hasTimeout)
Logger.Error?.Print(LogClass.SurfaceFlinger, "Android fence didn't signal in 3000 ms");
Wait(gpuContext, Timeout.InfiniteTimeSpan);
public bool Wait(GpuContext gpuContext, TimeSpan timeout)
for (int i = 0; i < FenceCount; i++)
bool hasTimeout = NvFences[i].Wait(gpuContext, timeout);
return true;
return false;
public void RegisterCallback(GpuContext gpuContext, Action<SyncpointWaiterHandle> callback)
ref NvFence fence = ref NvFences[FenceCount - 1];
if (fence.IsValid())
gpuContext.Synchronization.RegisterCallbackOnSyncpoint(fence.Id, fence.Value, callback);
else
callback(null);
public uint GetFlattenedSize()
return (uint)Unsafe.SizeOf<AndroidFence>();
public uint GetFdCount()
return 0;
public void Flatten(Parcel parcel)
parcel.WriteUnmanagedType(ref this);
public void Unflatten(Parcel parcel)
this = parcel.ReadUnmanagedType<AndroidFence>();