scene_descriptor_set.hpp

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#pragma once
 
#include "shader_reflection.hpp"
#include "vulkan_common.hpp"
 
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
 
namespace renderer {
class VulkanCore;
 
class SceneDescriptorSets {
public:
  void create(const VulkanCore& core, const ShaderReflection& reflection, vk::DescriptorSetLayout layout, std::string_view owner);

  void updateTlas(uint32_t frame_index);
 
  [[nodiscard]]
  auto get(uint32_t frame_index) const -> vk::DescriptorSet {
    return frame_index < m_sets.size() ? *m_sets[frame_index] : vk::DescriptorSet {};
  }
 
  [[nodiscard]]
  auto empty() const noexcept -> bool {
    return m_sets.empty();
  }
 
private:
  const VulkanCore* m_core = nullptr;
  std::string m_owner;
 
  std::vector<vk::raii::DescriptorSet> m_sets;
 
  std::optional<uint32_t> m_scene_binding;

  std::vector<std::pair<vk::AccelerationStructureKHR, uint64_t>> m_bound_tlas;
};
 
}