Ryujinx/Ryujinx.Graphics.Gpu/GpuContext.cs

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using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Engine;
using Ryujinx.Graphics.Gpu.Memory;
using System;
namespace Ryujinx.Graphics.Gpu
{
/// <summary>
/// GPU emulation context.
/// </summary>
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public sealed class GpuContext : IDisposable
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{
/// <summary>
/// Host renderer.
/// </summary>
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public IRenderer Renderer { get; }
/// <summary>
/// Physical memory access (it actually accesses the process memory, not actual physical memory).
/// </summary>
internal PhysicalMemory PhysicalMemory { get; private set; }
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/// <summary>
/// GPU memory manager.
/// </summary>
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public MemoryManager MemoryManager { get; }
/// <summary>
/// GPU memory accessor.
/// </summary>
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public MemoryAccessor MemoryAccessor { get; }
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/// <summary>
/// GPU engine methods processing.
/// </summary>
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internal Methods Methods { get; }
/// <summary>
/// GPU commands FIFO.
/// </summary>
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internal NvGpuFifo Fifo { get; }
/// <summary>
/// DMA pusher.
/// </summary>
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public DmaPusher DmaPusher { get; }
/// <summary>
/// Presentation window.
/// </summary>
public Window Window { get; }
/// <summary>
/// Internal sequence number, used to avoid needless resource data updates
/// in the middle of a command buffer before synchronizations.
/// </summary>
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internal int SequenceNumber { get; private set; }
private readonly Lazy<Capabilities> _caps;
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/// <summary>
/// Host hardware capabilities.
/// </summary>
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internal Capabilities Capabilities => _caps.Value;
/// <summary>
/// Creates a new instance of the GPU emulation context.
/// </summary>
/// <param name="renderer">Host renderer</param>
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public GpuContext(IRenderer renderer)
{
Renderer = renderer;
MemoryManager = new MemoryManager();
MemoryAccessor = new MemoryAccessor(this);
Methods = new Methods(this);
Fifo = new NvGpuFifo(this);
DmaPusher = new DmaPusher(this);
Window = new Window(this);
_caps = new Lazy<Capabilities>(Renderer.GetCapabilities);
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}
/// <summary>
/// Advances internal sequence number.
/// This forces the update of any modified GPU resource.
/// </summary>
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internal void AdvanceSequence()
{
SequenceNumber++;
}
/// <summary>
/// Sets the process memory manager, after the application process is initialized.
/// This is required for any GPU memory access.
/// </summary>
/// <param name="cpuMemory">CPU memory manager</param>
public void SetVmm(ARMeilleure.Memory.MemoryManager cpuMemory)
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{
PhysicalMemory = new PhysicalMemory(cpuMemory);
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}
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/// <summary>
/// Disposes all GPU resources currently cached.
/// It's an error to push any GPU commands after disposal.
/// Additionally, the GPU commands FIFO must be empty for disposal,
/// and processing of all commands must have finished.
/// </summary>
public void Dispose()
{
Methods.ShaderCache.Dispose();
Methods.BufferManager.Dispose();
Methods.TextureManager.Dispose();
}
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}
}