public unsafe DescriptorSet(DescriptorPool descriptorPool, uint setCount = 1)
{
_device = descriptorPool.Device;
_descriptorPool = descriptorPool;
var layouts = new NativeList <VkDescriptorSetLayout>(setCount);
for (int i = 0; i < setCount; i++)
{
layouts.Add(descriptorPool.Layout.Handle);
}
var allocateInfo = new VkDescriptorSetAllocateInfo
{
sType = VkStructureType.DescriptorSetAllocateInfo,
descriptorPool = descriptorPool.Handle,
descriptorSetCount = setCount,
pSetLayouts = (VkDescriptorSetLayout *)layouts.Data.ToPointer()
};
VkDescriptorSet descriptorSet;
if (VulkanNative.vkAllocateDescriptorSets(
_device.Handle,
&allocateInfo,
&descriptorSet
) != VkResult.Success)
{
throw new Exception("failed to allocate descriptor sets");
}
_handle = descriptorSet;
}
/// <summary>
/// Create a new descriptor type binding
/// </summary>
/// <param name="key">key for this descriptor set</param>
/// <param name="layout">what type of data does this descriptor set have?</param>
public virtual void InsertKey(
string key,
API.DescriptorLayout layout
)
{
if (_handle.ContainsKey(key))
{
return;
}
if (layout == null)
{
_handle[key] = new DescriptorObject();
return;
}
var pool = new API.DescriptorPool(layout, 1);
_handle[key] = new DescriptorObject
{
Layout = layout,
Pool = pool,
Set = new API.DescriptorSet(pool),
StagingBuffers = new API.Buffer[layout.Bindings.Count],
Buffers = new API.Buffer[layout.Bindings.Count],
Images = new API.Image[layout.Bindings.Count],
ImageViews = new API.ImageView[layout.Bindings.Count],
Samplers = new API.Sampler[layout.Bindings.Count],
CommandBuffer = new API.CommandBuffer[layout.Bindings.Count]
};
}
