512 lines
17 KiB
C#
512 lines
17 KiB
C#
using Ryujinx.Graphics.GAL;
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using Silk.NET.Vulkan;
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using System;
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using System.Runtime.CompilerServices;
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using VkBuffer = Silk.NET.Vulkan.Buffer;
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using VkFormat = Silk.NET.Vulkan.Format;
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namespace Ryujinx.Graphics.Vulkan
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{
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class BufferHolder : IDisposable
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{
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private const int MaxUpdateBufferSize = 0x10000;
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public const AccessFlags DefaultAccessFlags =
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AccessFlags.IndirectCommandReadBit |
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AccessFlags.ShaderReadBit |
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AccessFlags.ShaderWriteBit |
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AccessFlags.TransferReadBit |
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AccessFlags.TransferWriteBit |
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AccessFlags.UniformReadBit;
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private readonly VulkanRenderer _gd;
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private readonly Device _device;
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private readonly MemoryAllocation _allocation;
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private readonly Auto<DisposableBuffer> _buffer;
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private readonly Auto<MemoryAllocation> _allocationAuto;
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private readonly ulong _bufferHandle;
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private CacheByRange<BufferHolder> _cachedConvertedBuffers;
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public int Size { get; }
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private IntPtr _map;
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private readonly MultiFenceHolder _waitable;
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private bool _lastAccessIsWrite;
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public BufferHolder(VulkanRenderer gd, Device device, VkBuffer buffer, MemoryAllocation allocation, int size)
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{
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_gd = gd;
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_device = device;
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_allocation = allocation;
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_allocationAuto = new Auto<MemoryAllocation>(allocation);
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_waitable = new MultiFenceHolder(size);
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_buffer = new Auto<DisposableBuffer>(new DisposableBuffer(gd.Api, device, buffer), _waitable, _allocationAuto);
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_bufferHandle = buffer.Handle;
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Size = size;
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_map = allocation.HostPointer;
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}
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public unsafe Auto<DisposableBufferView> CreateView(VkFormat format, int offset, int size)
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{
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var bufferViewCreateInfo = new BufferViewCreateInfo()
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{
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SType = StructureType.BufferViewCreateInfo,
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Buffer = new VkBuffer(_bufferHandle),
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Format = format,
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Offset = (uint)offset,
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Range = (uint)size
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};
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_gd.Api.CreateBufferView(_device, bufferViewCreateInfo, null, out var bufferView).ThrowOnError();
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return new Auto<DisposableBufferView>(new DisposableBufferView(_gd.Api, _device, bufferView), _waitable, _buffer);
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}
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public unsafe void InsertBarrier(CommandBuffer commandBuffer, bool isWrite)
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{
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// If the last access is write, we always need a barrier to be sure we will read or modify
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// the correct data.
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// If the last access is read, and current one is a write, we need to wait until the
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// read finishes to avoid overwriting data still in use.
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// Otherwise, if the last access is a read and the current one too, we don't need barriers.
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bool needsBarrier = isWrite || _lastAccessIsWrite;
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_lastAccessIsWrite = isWrite;
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if (needsBarrier)
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{
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MemoryBarrier memoryBarrier = new MemoryBarrier()
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{
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SType = StructureType.MemoryBarrier,
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SrcAccessMask = DefaultAccessFlags,
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DstAccessMask = DefaultAccessFlags
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};
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_gd.Api.CmdPipelineBarrier(
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commandBuffer,
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PipelineStageFlags.AllCommandsBit,
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PipelineStageFlags.AllCommandsBit,
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DependencyFlags.DeviceGroupBit,
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1,
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memoryBarrier,
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0,
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null,
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0,
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null);
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}
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}
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public Auto<DisposableBuffer> GetBuffer()
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{
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return _buffer;
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}
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public Auto<DisposableBuffer> GetBuffer(CommandBuffer commandBuffer, bool isWrite = false)
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{
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if (isWrite)
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{
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SignalWrite(0, Size);
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}
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return _buffer;
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}
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public Auto<DisposableBuffer> GetBuffer(CommandBuffer commandBuffer, int offset, int size, bool isWrite = false)
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{
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if (isWrite)
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{
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SignalWrite(offset, size);
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}
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return _buffer;
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}
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public void SignalWrite(int offset, int size)
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{
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if (offset == 0 && size == Size)
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{
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_cachedConvertedBuffers.Clear();
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}
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else
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{
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_cachedConvertedBuffers.ClearRange(offset, size);
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}
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}
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public BufferHandle GetHandle()
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{
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var handle = _bufferHandle;
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return Unsafe.As<ulong, BufferHandle>(ref handle);
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}
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public unsafe IntPtr Map(int offset, int mappingSize)
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{
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return _map;
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}
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public unsafe ReadOnlySpan<byte> GetData(int offset, int size)
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{
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if (_map != IntPtr.Zero)
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{
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return GetDataStorage(offset, size);
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}
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else
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{
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BackgroundResource resource = _gd.BackgroundResources.Get();
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if (_gd.CommandBufferPool.OwnedByCurrentThread)
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{
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_gd.FlushAllCommands();
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return resource.GetFlushBuffer().GetBufferData(_gd.CommandBufferPool, this, offset, size);
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}
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else
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{
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return resource.GetFlushBuffer().GetBufferData(resource.GetPool(), this, offset, size);
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}
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}
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}
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public unsafe Span<byte> GetDataStorage(int offset, int size)
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{
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int mappingSize = Math.Min(size, Size - offset);
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if (_map != IntPtr.Zero)
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{
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return new Span<byte>((void*)(_map + offset), mappingSize);
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}
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throw new InvalidOperationException("The buffer is not host mapped.");
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}
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public unsafe void SetData(int offset, ReadOnlySpan<byte> data, CommandBufferScoped? cbs = null, Action endRenderPass = null)
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{
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int dataSize = Math.Min(data.Length, Size - offset);
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if (dataSize == 0)
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{
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return;
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}
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if (_map != IntPtr.Zero)
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{
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// If persistently mapped, set the data directly if the buffer is not currently in use.
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bool isRented = _buffer.HasRentedCommandBufferDependency(_gd.CommandBufferPool);
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// If the buffer is rented, take a little more time and check if the use overlaps this handle.
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bool needsFlush = isRented && _waitable.IsBufferRangeInUse(offset, dataSize);
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if (!needsFlush)
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{
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WaitForFences(offset, dataSize);
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data.Slice(0, dataSize).CopyTo(new Span<byte>((void*)(_map + offset), dataSize));
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SignalWrite(offset, dataSize);
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return;
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}
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}
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if (cbs != null &&
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_gd.PipelineInternal.RenderPassActive &&
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!(_buffer.HasCommandBufferDependency(cbs.Value) &&
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_waitable.IsBufferRangeInUse(cbs.Value.CommandBufferIndex, offset, dataSize)))
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{
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// If the buffer hasn't been used on the command buffer yet, try to preload the data.
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// This avoids ending and beginning render passes on each buffer data upload.
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cbs = _gd.PipelineInternal.GetPreloadCommandBuffer();
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endRenderPass = null;
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}
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if (cbs == null ||
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!VulkanConfiguration.UseFastBufferUpdates ||
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data.Length > MaxUpdateBufferSize ||
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!TryPushData(cbs.Value, endRenderPass, offset, data))
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{
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_gd.BufferManager.StagingBuffer.PushData(_gd.CommandBufferPool, cbs, endRenderPass, this, offset, data);
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}
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}
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public unsafe void SetDataUnchecked(int offset, ReadOnlySpan<byte> data)
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{
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int dataSize = Math.Min(data.Length, Size - offset);
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if (dataSize == 0)
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{
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return;
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}
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if (_map != IntPtr.Zero)
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{
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data.Slice(0, dataSize).CopyTo(new Span<byte>((void*)(_map + offset), dataSize));
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}
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else
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{
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_gd.BufferManager.StagingBuffer.PushData(_gd.CommandBufferPool, null, null, this, offset, data);
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}
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}
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public void SetDataInline(CommandBufferScoped cbs, Action endRenderPass, int dstOffset, ReadOnlySpan<byte> data)
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{
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if (!TryPushData(cbs, endRenderPass, dstOffset, data))
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{
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throw new ArgumentException($"Invalid offset 0x{dstOffset:X} or data size 0x{data.Length:X}.");
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}
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}
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private unsafe bool TryPushData(CommandBufferScoped cbs, Action endRenderPass, int dstOffset, ReadOnlySpan<byte> data)
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{
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if ((dstOffset & 3) != 0 || (data.Length & 3) != 0)
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{
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return false;
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}
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endRenderPass?.Invoke();
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var dstBuffer = GetBuffer(cbs.CommandBuffer, dstOffset, data.Length, true).Get(cbs, dstOffset, data.Length).Value;
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InsertBufferBarrier(
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_gd,
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cbs.CommandBuffer,
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dstBuffer,
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BufferHolder.DefaultAccessFlags,
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AccessFlags.TransferWriteBit,
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PipelineStageFlags.AllCommandsBit,
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PipelineStageFlags.TransferBit,
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dstOffset,
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data.Length);
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fixed (byte* pData = data)
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{
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for (ulong offset = 0; offset < (ulong)data.Length;)
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{
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ulong size = Math.Min(MaxUpdateBufferSize, (ulong)data.Length - offset);
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_gd.Api.CmdUpdateBuffer(cbs.CommandBuffer, dstBuffer, (ulong)dstOffset + offset, size, pData + offset);
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offset += size;
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}
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}
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InsertBufferBarrier(
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_gd,
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cbs.CommandBuffer,
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dstBuffer,
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AccessFlags.TransferWriteBit,
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BufferHolder.DefaultAccessFlags,
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PipelineStageFlags.TransferBit,
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PipelineStageFlags.AllCommandsBit,
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dstOffset,
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data.Length);
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return true;
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}
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public static unsafe void Copy(
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VulkanRenderer gd,
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CommandBufferScoped cbs,
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Auto<DisposableBuffer> src,
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Auto<DisposableBuffer> dst,
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int srcOffset,
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int dstOffset,
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int size)
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{
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var srcBuffer = src.Get(cbs, srcOffset, size).Value;
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var dstBuffer = dst.Get(cbs, dstOffset, size).Value;
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InsertBufferBarrier(
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gd,
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cbs.CommandBuffer,
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dstBuffer,
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BufferHolder.DefaultAccessFlags,
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AccessFlags.TransferWriteBit,
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PipelineStageFlags.AllCommandsBit,
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PipelineStageFlags.TransferBit,
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dstOffset,
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size);
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var region = new BufferCopy((ulong)srcOffset, (ulong)dstOffset, (ulong)size);
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gd.Api.CmdCopyBuffer(cbs.CommandBuffer, srcBuffer, dstBuffer, 1, ®ion);
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InsertBufferBarrier(
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gd,
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cbs.CommandBuffer,
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dstBuffer,
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AccessFlags.TransferWriteBit,
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BufferHolder.DefaultAccessFlags,
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PipelineStageFlags.TransferBit,
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PipelineStageFlags.AllCommandsBit,
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dstOffset,
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size);
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}
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public static unsafe void InsertBufferBarrier(
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VulkanRenderer gd,
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CommandBuffer commandBuffer,
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VkBuffer buffer,
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AccessFlags srcAccessMask,
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AccessFlags dstAccessMask,
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PipelineStageFlags srcStageMask,
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PipelineStageFlags dstStageMask,
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int offset,
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int size)
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{
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BufferMemoryBarrier memoryBarrier = new BufferMemoryBarrier()
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{
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SType = StructureType.BufferMemoryBarrier,
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SrcAccessMask = srcAccessMask,
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DstAccessMask = dstAccessMask,
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SrcQueueFamilyIndex = Vk.QueueFamilyIgnored,
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DstQueueFamilyIndex = Vk.QueueFamilyIgnored,
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Buffer = buffer,
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Offset = (ulong)offset,
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Size = (ulong)size
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};
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gd.Api.CmdPipelineBarrier(
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commandBuffer,
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srcStageMask,
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dstStageMask,
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0,
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0,
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null,
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1,
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memoryBarrier,
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0,
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null);
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}
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public void WaitForFences()
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{
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_waitable.WaitForFences(_gd.Api, _device);
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}
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public void WaitForFences(int offset, int size)
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{
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_waitable.WaitForFences(_gd.Api, _device, offset, size);
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}
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private bool BoundToRange(int offset, ref int size)
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{
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if (offset >= Size)
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{
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return false;
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}
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size = Math.Min(Size - offset, size);
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return true;
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}
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public Auto<DisposableBuffer> GetBufferI8ToI16(CommandBufferScoped cbs, int offset, int size)
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{
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if (!BoundToRange(offset, ref size))
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{
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return null;
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}
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var key = new I8ToI16CacheKey(_gd);
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if (!_cachedConvertedBuffers.TryGetValue(offset, size, key, out var holder))
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{
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holder = _gd.BufferManager.Create(_gd, (size * 2 + 3) & ~3);
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_gd.PipelineInternal.EndRenderPass();
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_gd.HelperShader.ConvertI8ToI16(_gd, cbs, this, holder, offset, size);
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key.SetBuffer(holder.GetBuffer());
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_cachedConvertedBuffers.Add(offset, size, key, holder);
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}
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return holder.GetBuffer();
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}
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public Auto<DisposableBuffer> GetAlignedVertexBuffer(CommandBufferScoped cbs, int offset, int size, int stride, int alignment)
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{
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if (!BoundToRange(offset, ref size))
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{
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return null;
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}
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var key = new AlignedVertexBufferCacheKey(_gd, stride, alignment);
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if (!_cachedConvertedBuffers.TryGetValue(offset, size, key, out var holder))
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{
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int alignedStride = (stride + (alignment - 1)) & -alignment;
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holder = _gd.BufferManager.Create(_gd, (size / stride) * alignedStride);
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_gd.PipelineInternal.EndRenderPass();
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_gd.HelperShader.ChangeStride(_gd, cbs, this, holder, offset, size, stride, alignedStride);
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key.SetBuffer(holder.GetBuffer());
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_cachedConvertedBuffers.Add(offset, size, key, holder);
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}
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return holder.GetBuffer();
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}
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public Auto<DisposableBuffer> GetBufferTopologyConversion(CommandBufferScoped cbs, int offset, int size, IndexBufferPattern pattern, int indexSize)
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{
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if (!BoundToRange(offset, ref size))
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{
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return null;
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}
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var key = new TopologyConversionCacheKey(_gd, pattern, indexSize);
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if (!_cachedConvertedBuffers.TryGetValue(offset, size, key, out var holder))
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{
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// The destination index size is always I32.
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int indexCount = size / indexSize;
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int convertedCount = pattern.GetConvertedCount(indexCount);
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holder = _gd.BufferManager.Create(_gd, convertedCount * 4);
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_gd.PipelineInternal.EndRenderPass();
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_gd.HelperShader.ConvertIndexBuffer(_gd, cbs, this, holder, pattern, indexSize, offset, indexCount);
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key.SetBuffer(holder.GetBuffer());
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_cachedConvertedBuffers.Add(offset, size, key, holder);
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}
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return holder.GetBuffer();
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}
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public bool TryGetCachedConvertedBuffer(int offset, int size, ICacheKey key, out BufferHolder holder)
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{
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return _cachedConvertedBuffers.TryGetValue(offset, size, key, out holder);
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}
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public void AddCachedConvertedBuffer(int offset, int size, ICacheKey key, BufferHolder holder)
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{
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_cachedConvertedBuffers.Add(offset, size, key, holder);
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}
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public void AddCachedConvertedBufferDependency(int offset, int size, ICacheKey key, Dependency dependency)
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{
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_cachedConvertedBuffers.AddDependency(offset, size, key, dependency);
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}
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public void RemoveCachedConvertedBuffer(int offset, int size, ICacheKey key)
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{
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_cachedConvertedBuffers.Remove(offset, size, key);
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}
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public void Dispose()
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{
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_gd.PipelineInternal?.FlushCommandsIfWeightExceeding(_buffer, (ulong)Size);
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_buffer.Dispose();
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_allocationAuto.Dispose();
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_cachedConvertedBuffers.Dispose();
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}
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}
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}
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