debris_pass.hpp

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#pragma once
 
#include "../render_pass_base.hpp"
#include "../scene_descriptor_set.hpp"
#include "../shader_layout.hpp"
#include "../vulkan_pipeline.hpp"
 
#include <array>
#include <memory>
#include <string_view>
#include <vector>
 
namespace physics {
class DebrisSimulation;
}
 
namespace renderer {
class VulkanCore;
 
class DebrisPass : public IRenderPass {
public:
  DebrisPass(
      const VulkanCore& core, vk::Format depth_format, vk::Extent2D extent, std::shared_ptr<physics::DebrisSimulation> simulation
  );
 
  [[nodiscard]]
  auto stage() const -> RenderStage override {
    return RenderStage::voxel_gbuffer;
  }
 
  [[nodiscard]]
  auto prepare(vk::CommandBuffer cmd, uint32_t frame_index) -> bool;
 
  void record(vk::CommandBuffer cmd, uint32_t frame_index, uint32_t image_index) override;
 
  [[nodiscard]]
  auto name() const -> std::string_view override {
    return "Debris";
  }
 
private:
  struct PushConstants {
    float extrapolation = 0.0f;
    float frame_delta = 0.0f;
    float voxel_size = 0.0f;
    uint32_t list_capacity = 0;
  };
 
  const VulkanCore* m_core = nullptr;
  std::shared_ptr<physics::DebrisSimulation> m_simulation;
 
  ShaderLayout m_layout;
  VulkanPipeline m_pipeline;
  SceneDescriptorSets m_scene_sets;
  std::vector<vk::raii::DescriptorSet> m_sets;
  std::vector<std::array<vk::Buffer, 2>> m_bound;
  vk::Buffer m_args = nullptr;
  PushConstants m_push;
};
 
}