/*
Crafter®.Graphics
Copyright (C) 2026 Catcrafts®
catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 3.0 as published by the Free Software Foundation;

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

module;
#ifdef CRAFTER_GRAPHICS_VULKAN
#include <vulkan/vulkan.h>
#endif
export module Crafter.Graphics:RenderingElement3DVulkan;
#ifdef CRAFTER_GRAPHICS_VULKAN
import std;
import :Mesh;
import :VulkanBuffer;
import Crafter.Math;

export namespace Crafter {

    struct TlasWithBuffer {
        VulkanBuffer<char, false, true, false> buffer;
        VkAccelerationStructureKHR accelerationStructure;
        VulkanBuffer<VkAccelerationStructureInstanceKHR, true, true, false> instanceBuffer;
    };

   class RenderingElement3DVulkan {
        public:
        Mesh* mesh;
        VkAccelerationStructureInstanceKHR instance;
        static std::vector<RenderingElement3DVulkan> elements;
        inline static VulkanBuffer<char, false, true, false> scratchBuffer;
        inline static std::vector<TlasWithBuffer> tlases;
        RenderingElement3DVulkan(Mesh& mesh);
        static void BuildTLAS(VkCommandBuffer cmd, std::uint32_t index);
   };
}
#endif