//
// Created by atdunbg on 2026/9/23.
//

#include <Engine/Renderer/VulkanAssetUploader.h>
#include <Engine/Renderer/Model.h>
#include <Engine/Renderer/IblGenerator.h>

namespace Engine {

    Scope<Model> VulkanAssetUploader::LoadModel(const std::string& path)
    {
        // GPU 上传在此发生：解析（assimp）+ buffer/image 创建一步完成
        return CreateScope<Model>(
            m_Device, m_Allocator, m_Descriptors, m_TextureLayout, path);
    }

    Scope<Model> VulkanAssetUploader::LoadModel(const std::string& path,
                                                ParsedModel&& parsed)
    {
        // 异步路径：assimp 解析已在 worker 线程完成，此处只剩 GPU 构建
        return Model::FromParsed(m_Device, m_Allocator, m_Descriptors,
                                 m_TextureLayout, std::move(parsed));
    }

    Scope<Model> VulkanAssetUploader::CreatePlane(f32 halfSize, u8 r, u8 g, u8 b)
    {
        return Model::CreatePlane(m_Device, m_Allocator, m_Descriptors,
                                  m_TextureLayout, halfSize, r, g, b);
    }

    Scope<Model> VulkanAssetUploader::CreateTransparentPlane(
        f32 halfSize, u8 r, u8 g, u8 b, u8 a)
    {
        return Model::CreateTransparentPlane(m_Device, m_Allocator,
                                             m_Descriptors, m_TextureLayout,
                                             halfSize, r, g, b, a);
    }

    Scope<Cubemap> VulkanAssetUploader::LoadEnvironment(const std::string& path)
    {
        // compute 预积分（毫秒级）：HDR → cube + irradiance/prefilter/LUT
        return m_Ibl.FromHdrEquirect(path, 1024);
    }

    Scope<Cubemap> VulkanAssetUploader::LoadEnvironment(
        const std::string& path, DecodedEquirect&& decoded)
    {
        // 异步路径：decode 已在 worker 线程完成，此处只剩 GPU 段
        return m_Ibl.FromDecoded(decoded, 1024, path);
    }

} // namespace Engine