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using System;
namespace Ryujinx.Graphics.Vulkan
{
struct BufferState : IDisposable
{
public static BufferState Null => new BufferState(null, 0, 0);
private readonly int _offset;
private readonly int _size;
private Auto<DisposableBuffer> _buffer;
public BufferState(Auto<DisposableBuffer> buffer, int offset, int size)
{
_buffer = buffer;
_offset = offset;
_size = size;
buffer?.IncrementReferenceCount();
}
public void BindTransformFeedbackBuffer(VulkanRenderer gd, CommandBufferScoped cbs, uint binding)
{
if (_buffer != null)
{
var buffer = _buffer.Get(cbs, _offset, _size).Value;
gd.TransformFeedbackApi.CmdBindTransformFeedbackBuffers(cbs.CommandBuffer, binding, 1, buffer, (ulong)_offset, (ulong)_size);
}
}
public void Swap(Auto<DisposableBuffer> from, Auto<DisposableBuffer> to)
{
if (_buffer == from)
{
_buffer.DecrementReferenceCount();
to.IncrementReferenceCount();
_buffer = to;
}
}
public void Dispose()
{
_buffer?.DecrementReferenceCount();
}
}
}
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