mirror of
https://github.com/ryujinx-mirror/ryujinx.git
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75 lines
2.2 KiB
C#
75 lines
2.2 KiB
C#
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvMap;
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct GraphicBuffer : IFlattenable
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{
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public GraphicBufferHeader Header;
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public NvGraphicBuffer Buffer;
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public int Width => Header.Width;
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public int Height => Header.Height;
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public PixelFormat Format => Header.Format;
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public int Usage => Header.Usage;
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public Rect ToRect()
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{
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return new Rect(Width, Height);
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}
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public void Flatten(Parcel parcel)
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{
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parcel.WriteUnmanagedType(ref Header);
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parcel.WriteUnmanagedType(ref Buffer);
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}
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public void Unflatten(Parcel parcel)
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{
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Header = parcel.ReadUnmanagedType<GraphicBufferHeader>();
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int expectedSize = Unsafe.SizeOf<NvGraphicBuffer>() / 4;
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if (Header.IntsCount != expectedSize)
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{
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throw new NotImplementedException($"Unexpected Graphic Buffer ints count (expected 0x{expectedSize:x}, found 0x{Header.IntsCount:x})");
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}
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Buffer = parcel.ReadUnmanagedType<NvGraphicBuffer>();
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}
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public void IncrementNvMapHandleRefCount(KProcess process)
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{
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NvMapDeviceFile.IncrementMapRefCount(process, Buffer.NvMapId);
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for (int i = 0; i < Buffer.Surfaces.Length; i++)
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{
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NvMapDeviceFile.IncrementMapRefCount(process, Buffer.Surfaces[i].NvMapHandle);
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}
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}
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public void DecrementNvMapHandleRefCount(KProcess process)
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{
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NvMapDeviceFile.DecrementMapRefCount(process, Buffer.NvMapId);
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for (int i = 0; i < Buffer.Surfaces.Length; i++)
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{
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NvMapDeviceFile.DecrementMapRefCount(process, Buffer.Surfaces[i].NvMapHandle);
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}
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}
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public uint GetFlattenedSize()
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{
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return (uint)Unsafe.SizeOf<GraphicBuffer>();
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}
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public uint GetFdCount()
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{
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return 0;
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}
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}
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}
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