private DescriptorSetCollection CreateBuffer(CommandBufferScoped cbs, ref BufferHandleSet key, int setIndex, DescriptorType type)
{
var dsc = _gd.DescriptorSetManager.AllocateDescriptorSet(_gd.Api, _descriptorSetLayouts[setIndex]).Get(cbs);
Span <DescriptorBufferInfo> bufferInfos = stackalloc DescriptorBufferInfo[key.Count];
for (int i = 0; i < key.Count; i++)
{
uint size = key.Sizes[i];
if (type == DescriptorType.UniformBufferDynamic)
{
size = Math.Min(size, 0x10000);
}
bufferInfos[i] = new DescriptorBufferInfo()
{
Buffer = new VkBuffer(key.Handles[i]),
Offset = 0,
Range = size
};
}
dsc.UpdateBuffers(0, 0, bufferInfos, type);
return(dsc);
}
public DescriptorSetCollection GetStorageBuffer(CommandBufferScoped cbs, ref BufferHandleSet key)
{
return(GetOrCreate(cbs, ref key, _sCache, CreateStorageBuffer));
}
private DescriptorSetCollection CreateStorageBuffer(CommandBufferScoped cbs, ref BufferHandleSet key)
{
return(CreateBuffer(cbs, ref key, PipelineBase.StorageSetIndex, DescriptorType.StorageBufferDynamic));
}
public DescriptorSetCollection GetUniformBuffer(CommandBufferScoped cbs, ref BufferHandleSet key)
{
return(GetOrCreate(cbs, ref key, _uCache, CreateUniformBuffer));
}