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using System;
using VkBuffer = Silk.NET.Vulkan.Buffer;
namespace Ryujinx.Graphics.Vulkan
{
internal class VertexBufferUpdater : IDisposable
{
private readonly VulkanRenderer _gd;
private uint _baseBinding;
private uint _count;
private readonly NativeArray<VkBuffer> _buffers;
private readonly NativeArray<ulong> _offsets;
private readonly NativeArray<ulong> _sizes;
private readonly NativeArray<ulong> _strides;
public VertexBufferUpdater(VulkanRenderer gd)
{
_gd = gd;
_buffers = new NativeArray<VkBuffer>(Constants.MaxVertexBuffers);
_offsets = new NativeArray<ulong>(Constants.MaxVertexBuffers);
_sizes = new NativeArray<ulong>(Constants.MaxVertexBuffers);
_strides = new NativeArray<ulong>(Constants.MaxVertexBuffers);
}
public void BindVertexBuffer(CommandBufferScoped cbs, uint binding, VkBuffer buffer, ulong offset, ulong size, ulong stride)
{
if (_count == 0)
{
_baseBinding = binding;
}
else if (_baseBinding + _count != binding)
{
Commit(cbs);
_baseBinding = binding;
}
int index = (int)_count;
_buffers[index] = buffer;
_offsets[index] = offset;
_sizes[index] = size;
_strides[index] = stride;
_count++;
}
public unsafe void Commit(CommandBufferScoped cbs)
{
if (_count != 0)
{
if (_gd.Capabilities.SupportsExtendedDynamicState)
{
_gd.ExtendedDynamicStateApi.CmdBindVertexBuffers2(
cbs.CommandBuffer,
_baseBinding,
_count,
_buffers.Pointer,
_offsets.Pointer,
_sizes.Pointer,
_strides.Pointer);
}
else
{
_gd.Api.CmdBindVertexBuffers(cbs.CommandBuffer, _baseBinding, _count, _buffers.Pointer, _offsets.Pointer);
}
_count = 0;
}
}
public void Dispose()
{
_buffers.Dispose();
_offsets.Dispose();
_sizes.Dispose();
_strides.Dispose();
}
}
}
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