diff options
Diffstat (limited to 'src/Ryujinx.Audio/Renderer/Server/MemoryPool/AddressInfo.cs')
| -rw-r--r-- | src/Ryujinx.Audio/Renderer/Server/MemoryPool/AddressInfo.cs | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Server/MemoryPool/AddressInfo.cs b/src/Ryujinx.Audio/Renderer/Server/MemoryPool/AddressInfo.cs new file mode 100644 index 00000000..5fd6b2b9 --- /dev/null +++ b/src/Ryujinx.Audio/Renderer/Server/MemoryPool/AddressInfo.cs @@ -0,0 +1,133 @@ +using System; +using System.Runtime.InteropServices; +using CpuAddress = System.UInt64; +using DspAddress = System.UInt64; + +namespace Ryujinx.Audio.Renderer.Server.MemoryPool +{ + /// <summary> + /// Represents the information of a region shared between the CPU and DSP. + /// </summary> + public struct AddressInfo + { + /// <summary> + /// The target CPU address of the region. + /// </summary> + public CpuAddress CpuAddress; + + /// <summary> + /// The size of the region. + /// </summary> + public ulong Size; + + private unsafe MemoryPoolState* _memoryPools; + + /// <summary> + /// The forced DSP address of the region. + /// </summary> + public DspAddress ForceMappedDspAddress; + + private unsafe ref MemoryPoolState MemoryPoolState => ref *_memoryPools; + + public unsafe bool HasMemoryPoolState => (IntPtr)_memoryPools != IntPtr.Zero; + + /// <summary> + /// Create an new empty <see cref="AddressInfo"/>. + /// </summary> + /// <returns>A new empty <see cref="AddressInfo"/>.</returns> + public static AddressInfo Create() + { + return Create(0, 0); + } + + /// <summary> + /// Create a new <see cref="AddressInfo"/>. + /// </summary> + /// <param name="cpuAddress">The target <see cref="CpuAddress"/> of the region.</param> + /// <param name="size">The target size of the region.</param> + /// <returns>A new <see cref="AddressInfo"/>.</returns> + public static AddressInfo Create(CpuAddress cpuAddress, ulong size) + { + unsafe + { + return new AddressInfo + { + CpuAddress = cpuAddress, + _memoryPools = MemoryPoolState.Null, + Size = size, + ForceMappedDspAddress = 0 + }; + } + } + + /// <summary> + /// Setup the CPU address and size of the <see cref="AddressInfo"/>. + /// </summary> + /// <param name="cpuAddress">The target <see cref="CpuAddress"/> of the region.</param> + /// <param name="size">The size of the region.</param> + public void Setup(CpuAddress cpuAddress, ulong size) + { + CpuAddress = cpuAddress; + Size = size; + ForceMappedDspAddress = 0; + + unsafe + { + _memoryPools = MemoryPoolState.Null; + } + } + + /// <summary> + /// Set the <see cref="MemoryPoolState"/> associated. + /// </summary> + /// <param name="memoryPoolState">The <see cref="MemoryPoolState"/> associated.</param> + public void SetupMemoryPool(Span<MemoryPoolState> memoryPoolState) + { + unsafe + { + fixed (MemoryPoolState* ptr = &MemoryMarshal.GetReference(memoryPoolState)) + { + SetupMemoryPool(ptr); + } + } + } + + /// <summary> + /// Set the <see cref="MemoryPoolState"/> associated. + /// </summary> + /// <param name="memoryPoolState">The <see cref="MemoryPoolState"/> associated.</param> + public unsafe void SetupMemoryPool(MemoryPoolState* memoryPoolState) + { + _memoryPools = memoryPoolState; + } + + /// <summary> + /// Check if the <see cref="MemoryPoolState"/> is mapped. + /// </summary> + /// <returns>Returns true if the <see cref="MemoryPoolState"/> is mapped.</returns> + public bool HasMappedMemoryPool() + { + return HasMemoryPoolState && MemoryPoolState.IsMapped(); + } + + /// <summary> + /// Get the DSP address associated to the <see cref="AddressInfo"/>. + /// </summary> + /// <param name="markUsed">If true, mark the <see cref="MemoryPoolState"/> as used.</param> + /// <returns>Returns the DSP address associated to the <see cref="AddressInfo"/>.</returns> + public DspAddress GetReference(bool markUsed) + { + if (!HasMappedMemoryPool()) + { + return ForceMappedDspAddress; + } + + if (markUsed) + { + MemoryPoolState.IsUsed = true; + } + + return MemoryPoolState.Translate(CpuAddress, Size); + } + } +}
\ No newline at end of file |