Method LoadTextureArray

deps/LLGL/examples/Cpp/PBR/Example.cpp:244–282

Loads multiple images into one texture array or cube-map array

    // Loads multiple images into one texture array or cube-map array
    LLGL::Texture* LoadTextureArray(const LLGL::TextureType texType, const std::initializer_list<std::string>& texFilenames)
    {
        const std::string texPath = "../../Media/Textures/PBR/";

        // Load image data
        int texWidth = 0, texHeight = 0;
        std::vector<std::uint8_t> imageData;

        for (auto filename : texFilenames)
        {
            if (filename.empty())
                FillImage(texWidth, texHeight, imageData);
            else
                LoadImage(texPath + filename, texWidth, texHeight, imageData);
        }

        // Define initial texture data
        LLGL::SrcImageDescriptor srcImageDesc;
        {
            srcImageDesc.format     = LLGL::ImageFormat::RGBA;
            srcImageDesc.dataType   = LLGL::DataType::UInt8;
            srcImageDesc.data       = imageData.data();
            srcImageDesc.dataSize   = imageData.size();
        }

        // Create texture
        LLGL::TextureDescriptor texDesc;
        {
            texDesc.type            = texType;
            texDesc.format          = LLGL::Format::RGBA8UNorm;
            texDesc.extent.width    = static_cast<std::uint32_t>(texWidth);
            texDesc.extent.height   = static_cast<std::uint32_t>(texHeight);
            texDesc.extent.depth    = 1;
            texDesc.arrayLayers     = static_cast<std::uint32_t>(texFilenames.size());
        }
        auto tex = renderer->CreateTexture(texDesc, &srcImageDesc);

        return tex;
    }

    void CreateTextures()
    {