DescriptorBinding.h

#pragma once
 
#include "spark/render/Buffer.h"
#include "spark/render/Export.h"
#include "spark/render/Image.h"
#include "spark/render/Sampler.h"
 
#include <functional>
#include <optional>
#include <variant>
 
namespace spark::render
{
    struct SPARK_RENDER_EXPORT DescriptorBinding
    {
        std::optional<unsigned int> binding = std::nullopt;
 
        std::variant<std::monostate, std::reference_wrapper<IBuffer>, std::reference_wrapper<IImage>, std::reference_wrapper<ISampler>> resource;
 
        unsigned int firstDescriptor = 0;
 
        unsigned int firstElement = 0;
 
        unsigned int elements = 0;
 
        unsigned int firstLevel = 0;
 
        unsigned int levels = 0;
    };
}