mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-05 03:42:02 +00:00
4d02a2d2c0
* Initial NVDEC and VIC implementation * Update FFmpeg.AutoGen to 4.3.0 * Add nvdec dependencies for Windows * Unify some VP9 structures * Rename VP9 structure fields * Improvements to Video API * XML docs for Common.Memory * Remove now unused or redundant overloads from MemoryAccessor * NVDEC UV surface read/write scalar paths * Add FIXME comments about hacky things/stuff that will need to be fixed in the future * Cleaned up VP9 memory allocation * Remove some debug logs * Rename some VP9 structs * Remove unused struct * No need to compile Ryujinx.Graphics.Host1x with unsafe anymore * Name AsyncWorkQueue threads to make debugging easier * Make Vp9PictureInfo a ref struct * LayoutConverter no longer needs the depth argument (broken by rebase) * Pooling of VP9 buffers, plus fix a memory leak on VP9 * Really wish VS could rename projects properly... * Address feedback * Remove using * Catch OperationCanceledException * Add licensing informations * Add THIRDPARTY.md to release too Co-authored-by: Thog <me@thog.eu>
68 lines
1.9 KiB
C#
68 lines
1.9 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime.CompilerServices;
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namespace Ryujinx.Common.Memory
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{
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/// <summary>
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/// Represents a pointer to an unmanaged resource.
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/// </summary>
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/// <typeparam name="T">Type of the unmanaged resource</typeparam>
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public unsafe struct Ptr<T> : IEquatable<Ptr<T>> where T : unmanaged
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{
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private IntPtr _ptr;
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/// <summary>
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/// Null pointer.
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/// </summary>
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public static Ptr<T> Null => new Ptr<T>() { _ptr = IntPtr.Zero };
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/// <summary>
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/// True if the pointer is null, false otherwise.
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/// </summary>
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public bool IsNull => _ptr == IntPtr.Zero;
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/// <summary>
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/// Gets a reference to the value.
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/// </summary>
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public ref T Value => ref Unsafe.AsRef<T>((void*)_ptr);
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/// <summary>
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/// Creates a new pointer to an unmanaged resource.
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/// </summary>
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/// <remarks>
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/// For data on the heap, proper pinning is necessary during
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/// use. Failure to do so will result in memory corruption and crashes.
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/// </remarks>
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/// <param name="value">Reference to the unmanaged resource</param>
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public Ptr(ref T value)
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{
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_ptr = (IntPtr)Unsafe.AsPointer(ref value);
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}
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public override bool Equals(object obj)
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{
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return obj is Ptr<T> other && Equals(other);
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}
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public bool Equals([AllowNull] Ptr<T> other)
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{
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return _ptr == other._ptr;
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}
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public override int GetHashCode()
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{
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return _ptr.GetHashCode();
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}
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public static bool operator ==(Ptr<T> left, Ptr<T> right)
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{
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return left.Equals(right);
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}
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public static bool operator !=(Ptr<T> left, Ptr<T> right)
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{
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return !(left == right);
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}
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}
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}
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