Method init

core/renderer/TextureCube.cpp:172–263

}

bool TextureCube::init(std::string_view positive_x,
                       std::string_view negative_x,
                       std::string_view positive_y,
                       std::string_view negative_y,
                       std::string_view positive_z,
                       std::string_view negative_z)
{
    _imgPath[0] = positive_x;
    _imgPath[1] = negative_x;
    _imgPath[2] = positive_y;
    _imgPath[3] = negative_y;
    _imgPath[4] = positive_z;
    _imgPath[5] = negative_z;

    std::vector<Image*> images(6);

    images[0] = createImage(positive_x);
    images[1] = createImage(negative_x);
    images[2] = createImage(positive_y);
    images[3] = createImage(negative_y);
    images[4] = createImage(positive_z);
    images[5] = createImage(negative_z);

    int imageSize = images[0]->getHeight();
    for (int i = 0; i < 6; i++)
    {
        Image* img = images[i];
        if (img->getWidth() != img->getHeight())
        {
            AXASSERT(false, "TextureCubemap: width should be equal to height!");
            return false;
        }
        if (imageSize != img->getWidth())
        {
            AXASSERT(imageSize == img->getWidth(), "TextureCubmap: texture of each face should have same dimension");
            return false;
        }
    }

    backend::TextureDescriptor textureDescriptor;
    textureDescriptor.width = textureDescriptor.height = imageSize;
    textureDescriptor.textureType                      = backend::TextureType::TEXTURE_CUBE;
    textureDescriptor.samplerDescriptor.minFilter      = backend::SamplerFilter::LINEAR;
    textureDescriptor.samplerDescriptor.magFilter      = backend::SamplerFilter::LINEAR;
    textureDescriptor.samplerDescriptor.sAddressMode   = backend::SamplerAddressMode::CLAMP_TO_EDGE;
    textureDescriptor.samplerDescriptor.tAddressMode   = backend::SamplerAddressMode::CLAMP_TO_EDGE;
    _texture =
        static_cast<backend::TextureCubemapBackend*>(backend::DriverBase::getInstance()->newTexture(textureDescriptor));
    AXASSERT(_texture != nullptr, "TextureCubemap: texture can not be nullptr");

    for (int i = 0; i < 6; i++)
    {
        Image* img = images[i];

        backend::PixelFormat ePixelFmt;
        unsigned char* pData = getImageData(img, ePixelFmt);
        uint8_t* cData       = nullptr;
        uint8_t* useData     = pData;