public void ResetPool()
{
var layoutCreateInfo = new DescriptorSetLayoutCreateInfo(
new DescriptorSetLayoutBinding(0, DescriptorType.StorageBuffer, 1));
var poolCreateInfo = new DescriptorPoolCreateInfo(
1,
new[] { new DescriptorPoolSize(DescriptorType.StorageBuffer, 1) });
using (DescriptorSetLayout layout = Device.CreateDescriptorSetLayout(layoutCreateInfo))
using (DescriptorPool pool = Device.CreateDescriptorPool(poolCreateInfo))
{
pool.AllocateSets(new DescriptorSetAllocateInfo(1, layout));
pool.Reset();
}
}
public void CmdBindDescriptorSet()
{
const int bufferSize = 256;
var layoutCreateInfo = new DescriptorSetLayoutCreateInfo(
new DescriptorSetLayoutBinding(0, DescriptorType.StorageBuffer, 1));
var descriptorPoolCreateInfo = new DescriptorPoolCreateInfo(
1,
new[] { new DescriptorPoolSize(DescriptorType.StorageBuffer, 1) });
using (DescriptorSetLayout descriptorSetLayout = Device.CreateDescriptorSetLayout(layoutCreateInfo))
using (DescriptorPool descriptorPool = Device.CreateDescriptorPool(descriptorPoolCreateInfo))
using (PipelineLayout pipelineLayout = Device.CreatePipelineLayout(new PipelineLayoutCreateInfo(new[] { descriptorSetLayout })))
using (Buffer buffer = Device.CreateBuffer(new BufferCreateInfo(bufferSize, BufferUsages.StorageBuffer)))
using (DeviceMemory memory = Device.AllocateMemory(new MemoryAllocateInfo(bufferSize, 0)))
{
// Required to satisfy the validation layer.
buffer.GetMemoryRequirements();
buffer.BindMemory(memory);
DescriptorSet descriptorSet =
descriptorPool.AllocateSets(new DescriptorSetAllocateInfo(1, descriptorSetLayout))[0];
var descriptorWrite = new WriteDescriptorSet(descriptorSet, 0, 0, 1, DescriptorType.StorageBuffer,
bufferInfo: new[] { new DescriptorBufferInfo(buffer) });
descriptorPool.UpdateSets(new[] { descriptorWrite });
CommandBuffer.Begin();
CommandBuffer.CmdBindDescriptorSet(PipelineBindPoint.Graphics, pipelineLayout, descriptorSet);
CommandBuffer.CmdBindDescriptorSets(PipelineBindPoint.Graphics, pipelineLayout, 0, new[] { descriptorSet });
CommandBuffer.End();
descriptorPool.Reset();
}
}
