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https://github.com/Ryujinx/Ryujinx.git
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* Add Index Buffer conversion for quads to Vulkan Also adds a reusable repeating pattern index buffer to use for non-indexed draws, and generalizes the conversion cache for buffers. * Fix some issues * End render pass before conversion * Resume transform feedback after we ensure we're in a pass. * Always generate UInt32 type indices for topology conversion * No it's not. * Remove unused code * Rely on TopologyRemap to convert quads to tris. * Remove double newline * Ensure render pass ends before stride or I8 conversion
98 lines
3 KiB
C#
98 lines
3 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 _);
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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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