Ryujinx/Ryujinx.Graphics.Gpu/GpuContext.cs

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using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Engine;
using Ryujinx.Graphics.Gpu.Engine.GPFifo;
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using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Gpu.Synchronization;
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using System;
Implement lazy flush-on-read for Buffers (SSBO/Copy) (#1790) * Initial implementation of buffer flush (VERY WIP) * Host shaders need to be rebuilt for the SSBO write flag. * New approach with reserved regions and gl sync * Fix a ton of buffer issues. * Remove unused buffer unmapped behaviour * Revert "Remove unused buffer unmapped behaviour" This reverts commit f1700e52fb8760180ac5e0987a07d409d1e70ece. * Delete modified ranges on unmap Fixes potential crashes in Super Smash Bros, where a previously modified range could lie on either side of an unmap. * Cache some more delegates. * Dispose Sync on Close * Also create host sync for GPFifo syncpoint increment. * Copy buffer optimization, add docs * Fix race condition with OpenGL Sync * Enable read tracking on CommandBuffer, insert syncpoint on WaitForIdle * Performance: Only flush individual pages of SSBO at a time This avoids flushing large amounts of data when only a small amount is actually used. * Signal Modified rather than flushing after clear * Fix some docs and code style. * Introduce a new test for tracking memory protection. Sucessfully demonstrates that the bug causing write protection to be cleared by a read action has been fixed. (these tests fail on master) * Address Comments * Add host sync for SetReference This ensures that any indirect draws will correctly flush any related buffer data written before them. Fixes some flashing and misplaced world geometry in MH rise. * Make PageAlign static * Re-enable read tracking, for reads.
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using System.Collections.Generic;
using System.Threading;
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namespace Ryujinx.Graphics.Gpu
{
/// <summary>
/// GPU emulation context.
/// </summary>
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public sealed class GpuContext : IDisposable
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{
/// <summary>
/// Event signaled when the host emulation context is ready to be used by the gpu context.
/// </summary>
public ManualResetEvent HostInitalized { get; }
/// <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 engine methods processing.
/// </summary>
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internal Methods Methods { get; }
/// <summary>
/// GPU General Purpose FIFO queue.
/// </summary>
public GPFifoDevice GPFifo { get; }
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/// <summary>
/// GPU synchronization manager.
/// </summary>
public SynchronizationManager Synchronization { 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; }
Implement lazy flush-on-read for Buffers (SSBO/Copy) (#1790) * Initial implementation of buffer flush (VERY WIP) * Host shaders need to be rebuilt for the SSBO write flag. * New approach with reserved regions and gl sync * Fix a ton of buffer issues. * Remove unused buffer unmapped behaviour * Revert "Remove unused buffer unmapped behaviour" This reverts commit f1700e52fb8760180ac5e0987a07d409d1e70ece. * Delete modified ranges on unmap Fixes potential crashes in Super Smash Bros, where a previously modified range could lie on either side of an unmap. * Cache some more delegates. * Dispose Sync on Close * Also create host sync for GPFifo syncpoint increment. * Copy buffer optimization, add docs * Fix race condition with OpenGL Sync * Enable read tracking on CommandBuffer, insert syncpoint on WaitForIdle * Performance: Only flush individual pages of SSBO at a time This avoids flushing large amounts of data when only a small amount is actually used. * Signal Modified rather than flushing after clear * Fix some docs and code style. * Introduce a new test for tracking memory protection. Sucessfully demonstrates that the bug causing write protection to be cleared by a read action has been fixed. (these tests fail on master) * Address Comments * Add host sync for SetReference This ensures that any indirect draws will correctly flush any related buffer data written before them. Fixes some flashing and misplaced world geometry in MH rise. * Make PageAlign static * Re-enable read tracking, for reads.
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/// <summary>
/// Internal sync number, used to denote points at which host synchronization can be requested.
/// </summary>
internal ulong SyncNumber { get; private set; }
/// <summary>
/// Actions to be performed when a CPU waiting sync point is triggered.
/// If there are more than 0 items when this happens, a host sync object will be generated for the given <see cref="SyncNumber"/>,
/// and the SyncNumber will be incremented.
/// </summary>
internal List<Action> SyncActions { get; }
private readonly Lazy<Capabilities> _caps;
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/// <summary>
/// Host hardware capabilities.
/// </summary>
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internal Capabilities Capabilities => _caps.Value;
/// <summary>
/// Event for signalling shader cache loading progress.
/// </summary>
public event Action<Shader.ShaderCacheState, int, int> ShaderCacheStateChanged
{
add => Methods.ShaderCache.ShaderCacheStateChanged += value;
remove => Methods.ShaderCache.ShaderCacheStateChanged -= 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(this);
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Methods = new Methods(this);
GPFifo = new GPFifoDevice(this);
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Synchronization = new SynchronizationManager();
Window = new Window(this);
_caps = new Lazy<Capabilities>(Renderer.GetCapabilities);
HostInitalized = new ManualResetEvent(false);
Implement lazy flush-on-read for Buffers (SSBO/Copy) (#1790) * Initial implementation of buffer flush (VERY WIP) * Host shaders need to be rebuilt for the SSBO write flag. * New approach with reserved regions and gl sync * Fix a ton of buffer issues. * Remove unused buffer unmapped behaviour * Revert "Remove unused buffer unmapped behaviour" This reverts commit f1700e52fb8760180ac5e0987a07d409d1e70ece. * Delete modified ranges on unmap Fixes potential crashes in Super Smash Bros, where a previously modified range could lie on either side of an unmap. * Cache some more delegates. * Dispose Sync on Close * Also create host sync for GPFifo syncpoint increment. * Copy buffer optimization, add docs * Fix race condition with OpenGL Sync * Enable read tracking on CommandBuffer, insert syncpoint on WaitForIdle * Performance: Only flush individual pages of SSBO at a time This avoids flushing large amounts of data when only a small amount is actually used. * Signal Modified rather than flushing after clear * Fix some docs and code style. * Introduce a new test for tracking memory protection. Sucessfully demonstrates that the bug causing write protection to be cleared by a read action has been fixed. (these tests fail on master) * Address Comments * Add host sync for SetReference This ensures that any indirect draws will correctly flush any related buffer data written before them. Fixes some flashing and misplaced world geometry in MH rise. * Make PageAlign static * Re-enable read tracking, for reads.
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SyncActions = new List<Action>();
}
/// <summary>
/// Initialize the GPU shader cache.
/// </summary>
public void InitializeShaderCache()
{
HostInitalized.WaitOne();
Methods.ShaderCache.Initialize();
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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(Cpu.MemoryManager cpuMemory)
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{
PhysicalMemory = new PhysicalMemory(cpuMemory);
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}
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Implement lazy flush-on-read for Buffers (SSBO/Copy) (#1790) * Initial implementation of buffer flush (VERY WIP) * Host shaders need to be rebuilt for the SSBO write flag. * New approach with reserved regions and gl sync * Fix a ton of buffer issues. * Remove unused buffer unmapped behaviour * Revert "Remove unused buffer unmapped behaviour" This reverts commit f1700e52fb8760180ac5e0987a07d409d1e70ece. * Delete modified ranges on unmap Fixes potential crashes in Super Smash Bros, where a previously modified range could lie on either side of an unmap. * Cache some more delegates. * Dispose Sync on Close * Also create host sync for GPFifo syncpoint increment. * Copy buffer optimization, add docs * Fix race condition with OpenGL Sync * Enable read tracking on CommandBuffer, insert syncpoint on WaitForIdle * Performance: Only flush individual pages of SSBO at a time This avoids flushing large amounts of data when only a small amount is actually used. * Signal Modified rather than flushing after clear * Fix some docs and code style. * Introduce a new test for tracking memory protection. Sucessfully demonstrates that the bug causing write protection to be cleared by a read action has been fixed. (these tests fail on master) * Address Comments * Add host sync for SetReference This ensures that any indirect draws will correctly flush any related buffer data written before them. Fixes some flashing and misplaced world geometry in MH rise. * Make PageAlign static * Re-enable read tracking, for reads.
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/// <summary>
/// Registers an action to be performed the next time a syncpoint is incremented.
/// This will also ensure a host sync object is created, and <see cref="SyncNumber"/> is incremented.
/// </summary>
/// <param name="action">The action to be performed on sync object creation</param>
public void RegisterSyncAction(Action action)
{
SyncActions.Add(action);
}
/// <summary>
/// Creates a host sync object if there are any pending sync actions. The actions will then be called.
/// If no actions are present, a host sync object is not created.
/// </summary>
public void CreateHostSyncIfNeeded()
{
if (SyncActions.Count > 0)
{
Renderer.CreateSync(SyncNumber);
SyncNumber++;
foreach (Action action in SyncActions)
{
action();
}
SyncActions.Clear();
}
}
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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();
Renderer.Dispose();
GPFifo.Dispose();
HostInitalized.Dispose();
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}
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}
}