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0dbe45ae37
* Fix various issues caused by #3679 - The arguments for the 0th dummy vertex buffer were incorrect - it was given an offset of 16 rather than a size of 16. - The wrong size was used when doing `autoBuffer.Get` on a converted vertex buffer. - The possibility of a vertex buffer being disposed and then rebound can rebindings to find a different buffer where the current range is out of bounds. Avoid binding when out of range to prevent validation errors. - The above also affects generation of converted buffers, which was a bit more fatal. Conversion functions now attempt to bound input offset/size. * Fix offset for converted buffer
102 lines
3.1 KiB
C#
102 lines
3.1 KiB
C#
using Silk.NET.Vulkan;
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using System;
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namespace Ryujinx.Graphics.Vulkan
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{
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internal struct IndexBufferState
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{
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public static IndexBufferState Null => new IndexBufferState(GAL.BufferHandle.Null, 0, 0);
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private readonly int _offset;
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private readonly int _size;
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private readonly IndexType _type;
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private readonly GAL.BufferHandle _handle;
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private Auto<DisposableBuffer> _buffer;
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public IndexBufferState(GAL.BufferHandle handle, int offset, int size, IndexType type)
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{
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_handle = handle;
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_offset = offset;
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_size = size;
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_type = type;
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_buffer = null;
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}
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public IndexBufferState(GAL.BufferHandle handle, int offset, int size)
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{
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_handle = handle;
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_offset = offset;
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_size = size;
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_type = IndexType.Uint16;
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_buffer = null;
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}
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public void BindIndexBuffer(VulkanRenderer gd, CommandBufferScoped cbs)
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{
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Auto<DisposableBuffer> autoBuffer;
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int offset, size;
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IndexType type = _type;
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if (_type == IndexType.Uint8Ext && !gd.Capabilities.SupportsIndexTypeUint8)
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{
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// Index type is not supported. Convert to I16.
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autoBuffer = gd.BufferManager.GetBufferI8ToI16(cbs, _handle, _offset, _size);
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type = IndexType.Uint16;
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offset = 0;
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size = _size * 2;
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}
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else
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{
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autoBuffer = gd.BufferManager.GetBuffer(cbs.CommandBuffer, _handle, false, out int bufferSize);
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if (_offset >= bufferSize)
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{
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autoBuffer = null;
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}
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offset = _offset;
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size = _size;
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}
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_buffer = autoBuffer;
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if (autoBuffer != null)
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{
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gd.Api.CmdBindIndexBuffer(cbs.CommandBuffer, autoBuffer.Get(cbs, offset, size).Value, (ulong)offset, type);
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}
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}
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public void BindConvertedIndexBuffer(VulkanRenderer gd, CommandBufferScoped cbs, int firstIndex, int indexCount, int convertedCount, IndexBufferPattern pattern)
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{
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Auto<DisposableBuffer> autoBuffer;
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// Convert the index buffer using the given pattern.
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int indexSize = _type switch
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{
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IndexType.Uint32 => 4,
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IndexType.Uint16 => 2,
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_ => 1,
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};
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int firstIndexOffset = firstIndex * indexSize;
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autoBuffer = gd.BufferManager.GetBufferTopologyConversion(cbs, _handle, _offset + firstIndexOffset, indexCount * indexSize, pattern, indexSize);
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int size = convertedCount * 4;
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_buffer = autoBuffer;
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if (autoBuffer != null)
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{
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gd.Api.CmdBindIndexBuffer(cbs.CommandBuffer, autoBuffer.Get(cbs, 0, size).Value, 0, IndexType.Uint32);
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}
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}
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public bool BoundEquals(Auto<DisposableBuffer> buffer)
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{
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return _buffer == buffer;
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}
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}
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}
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