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ryujinx-fork/ARMeilleure/Translation/TranslatedFunction.cs
Chenj168 561d64e5bf
Modify TranslatedFunction.GetPointer () to optimize performance (#995)
* add local var to reduce calling Marshal.GetFunctionPointerForDelegate

* modify code style
2020-03-20 09:11:20 +11:00

45 lines
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1 KiB
C#

using System;
using System.Runtime.InteropServices;
using System.Threading;
namespace ARMeilleure.Translation
{
class TranslatedFunction
{
private const int MinCallsForRejit = 100;
private GuestFunction _func;
private IntPtr _funcPtr;
private bool _rejit;
private int _callCount;
public bool HighCq => !_rejit;
public TranslatedFunction(GuestFunction func, bool rejit)
{
_func = func;
_rejit = rejit;
}
public ulong Execute(State.ExecutionContext context)
{
return _func(context.NativeContextPtr);
}
public bool ShouldRejit()
{
return _rejit && Interlocked.Increment(ref _callCount) == MinCallsForRejit;
}
public IntPtr GetPointer()
{
if (_funcPtr == IntPtr.Zero)
{
_funcPtr = Marshal.GetFunctionPointerForDelegate(_func);
}
return _funcPtr;
}
}
}