private GpuDescriptorHandle CopyDescriptors(DescriptorAllocator descriptorAllocator, CpuDescriptorHandle baseDescriptor, int descriptorCount)
{
CpuDescriptorHandle destinationDescriptor = descriptorAllocator.Allocate(descriptorCount);
GraphicsDevice.NativeDevice.CopyDescriptorsSimple(descriptorCount, destinationDescriptor, baseDescriptor, descriptorAllocator.DescriptorHeap.Description.Type);
return(descriptorAllocator.GetGpuDescriptorHandle(destinationDescriptor));
}
public DescriptorSet(GraphicsDevice device, int descriptorCount, DescriptorHeapType descriptorHeapType = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView)
{
if (descriptorCount < 1)
{
throw new ArgumentOutOfRangeException(nameof(descriptorCount));
}
GraphicsDevice = device;
DescriptorHeapType = descriptorHeapType;
DescriptorCapacity = descriptorCount;
DescriptorAllocator = GetDescriptorAllocator();
StartCpuDescriptorHandle = DescriptorAllocator.Allocate(DescriptorCapacity);
}