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using Silk.NET.Vulkan;
using System;
using VkBuffer = Silk.NET.Vulkan.Buffer;
namespace Ryujinx.Graphics.Vulkan
{
struct DescriptorSetCollection : IDisposable
{
private DescriptorSetManager.DescriptorPoolHolder _holder;
private readonly DescriptorSet[] _descriptorSets;
public readonly int SetsCount => _descriptorSets.Length;
public DescriptorSetCollection(DescriptorSetManager.DescriptorPoolHolder holder, DescriptorSet[] descriptorSets)
{
_holder = holder;
_descriptorSets = descriptorSets;
}
public void InitializeBuffers(int setIndex, int baseBinding, int count, DescriptorType type, VkBuffer dummyBuffer)
{
Span<DescriptorBufferInfo> infos = stackalloc DescriptorBufferInfo[count];
infos.Fill(new DescriptorBufferInfo
{
Buffer = dummyBuffer,
Range = Vk.WholeSize,
});
UpdateBuffers(setIndex, baseBinding, infos, type);
}
public unsafe void UpdateBuffer(int setIndex, int bindingIndex, DescriptorBufferInfo bufferInfo, DescriptorType type)
{
if (bufferInfo.Buffer.Handle != 0UL)
{
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)bindingIndex,
DescriptorType = type,
DescriptorCount = 1,
PBufferInfo = &bufferInfo,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
}
public unsafe void UpdateBuffers(int setIndex, int baseBinding, ReadOnlySpan<DescriptorBufferInfo> bufferInfo, DescriptorType type)
{
if (bufferInfo.Length == 0)
{
return;
}
fixed (DescriptorBufferInfo* pBufferInfo = bufferInfo)
{
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)baseBinding,
DescriptorType = type,
DescriptorCount = (uint)bufferInfo.Length,
PBufferInfo = pBufferInfo,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
}
public unsafe void UpdateImage(int setIndex, int bindingIndex, DescriptorImageInfo imageInfo, DescriptorType type)
{
if (imageInfo.ImageView.Handle != 0UL)
{
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)bindingIndex,
DescriptorType = type,
DescriptorCount = 1,
PImageInfo = &imageInfo,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
}
public unsafe void UpdateImages(int setIndex, int baseBinding, ReadOnlySpan<DescriptorImageInfo> imageInfo, DescriptorType type)
{
if (imageInfo.Length == 0)
{
return;
}
fixed (DescriptorImageInfo* pImageInfo = imageInfo)
{
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)baseBinding,
DescriptorType = type,
DescriptorCount = (uint)imageInfo.Length,
PImageInfo = pImageInfo,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
}
public unsafe void UpdateImagesCombined(int setIndex, int baseBinding, ReadOnlySpan<DescriptorImageInfo> imageInfo, DescriptorType type)
{
if (imageInfo.Length == 0)
{
return;
}
fixed (DescriptorImageInfo* pImageInfo = imageInfo)
{
for (int i = 0; i < imageInfo.Length; i++)
{
bool nonNull = imageInfo[i].ImageView.Handle != 0 && imageInfo[i].Sampler.Handle != 0;
if (nonNull)
{
int count = 1;
while (i + count < imageInfo.Length &&
imageInfo[i + count].ImageView.Handle != 0 &&
imageInfo[i + count].Sampler.Handle != 0)
{
count++;
}
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)(baseBinding + i),
DescriptorType = DescriptorType.CombinedImageSampler,
DescriptorCount = (uint)count,
PImageInfo = pImageInfo,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
i += count - 1;
}
}
}
}
public unsafe void UpdateBufferImage(int setIndex, int bindingIndex, BufferView texelBufferView, DescriptorType type)
{
if (texelBufferView.Handle != 0UL)
{
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)bindingIndex,
DescriptorType = type,
DescriptorCount = 1,
PTexelBufferView = &texelBufferView,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
}
public unsafe void UpdateBufferImages(int setIndex, int baseBinding, ReadOnlySpan<BufferView> texelBufferView, DescriptorType type)
{
if (texelBufferView.Length == 0)
{
return;
}
fixed (BufferView* pTexelBufferView = texelBufferView)
{
for (uint i = 0; i < texelBufferView.Length;)
{
uint count = 1;
if (texelBufferView[(int)i].Handle != 0UL)
{
while (i + count < texelBufferView.Length && texelBufferView[(int)(i + count)].Handle != 0UL)
{
count++;
}
var writeDescriptorSet = new WriteDescriptorSet
{
SType = StructureType.WriteDescriptorSet,
DstSet = _descriptorSets[setIndex],
DstBinding = (uint)baseBinding + i,
DescriptorType = type,
DescriptorCount = count,
PTexelBufferView = pTexelBufferView + i,
};
_holder.Api.UpdateDescriptorSets(_holder.Device, 1, in writeDescriptorSet, 0, null);
}
i += count;
}
}
}
public readonly DescriptorSet[] GetSets()
{
return _descriptorSets;
}
public void Dispose()
{
_holder?.FreeDescriptorSets(this);
_holder = null;
}
}
}
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