resources_vkgen.hpp

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/* Contact ckubisch@nvidia.com (Christoph Kubisch) for feedback */


#pragma once

#include "resources_vk.hpp"

#include "vk_nvx_device_generated_commands.h"


namespace csfthreaded {

  class ResourcesVKGen : public ResourcesVK {
  public:
    // To use the extension, we extend the resources for vulkan 
    // by the object table. In this table we will register all the
    // binding/resources we need for rendering the scene.
    // When it comes to resources, that is the only difference to 
    // unextended Vulkan.

    // The sample uses 3 pipelines, which we will need to
    // register in the object table at a user-specifed index 
    // (which this enum is for).

    enum TablePipelines {
      TABLE_PIPE_TRIANGLES,
      TABLE_PIPE_LINES,
      TABLE_PIPE_LINES_TRIANGLES,
      NUM_TABLE_PIPES,
    };

    struct TableContent {
      size_t                        resourceIncarnation;
      NulledVk<VkObjectTableNVX>    objectTable;
      // we keep all used registered indices around
      std::vector<uint32_t>         vertexBuffers;
      std::vector<uint32_t>         indexBuffers;
      std::vector<uint32_t>         pushConstants;
      std::vector<uint32_t>         pipelines;
      std::vector<uint32_t>         matrixDescriptorSets;
      std::vector<uint32_t>         materialDescriptorSets;
    }; 

    bool                          m_generatedCommandsSupport;
    TableContent                  m_table;

    void init();

    bool initScene(const CadScene&);
    void deinitScene();

    void updatedPrograms( nv_helpers_gl::ProgramManager &mgr );

    void initObjectTable();
    void updateObjectTablePipelines();
    void deinitObjectTable();


    ResourcesVKGen() {}

    static ResourcesVKGen* get() {
      static ResourcesVKGen res;

      return &res;
    }
    static bool ResourcesVKGen::isAvailable();

  };
}