Method parse_image

framework/gltf_loader.cpp:1456–1497

}

std::unique_ptr<sg::Image> GLTFLoader::parse_image(tinygltf::Image &gltf_image) const
{
	std::unique_ptr<sg::Image> image{nullptr};

	if (gltf_image.name.empty())
	{
		gltf_image.name = gltf_image.uri;
	}

	if (!gltf_image.image.empty())
	{
		// Image embedded in gltf file
		auto mipmap = sg::Mipmap{
		    /* .level = */ 0,
		    /* .offset = */ 0,
		    /* .extent = */ {/* .width = */ static_cast<uint32_t>(gltf_image.width),
		                     /* .height = */ static_cast<uint32_t>(gltf_image.height),
		                     /* .depth = */ 1u}};
		std::vector<sg::Mipmap> mipmaps{mipmap};
		image = std::make_unique<sg::Image>(gltf_image.name, std::move(gltf_image.image), std::move(mipmaps));
	}
	else
	{
		// Load image from uri
		auto image_uri = model_path + "/" + gltf_image.uri;
		image          = sg::Image::load(gltf_image.name, image_uri, vkb::sg::Image::Unknown);
	}

	// Check whether the format is supported by the GPU
	if (sg::is_astc(image->get_format()))
	{
		if (!device.is_image_format_supported(image->get_format()))
		{
			image = std::make_unique<sg::Astc>(*image);
			image->generate_mipmaps();
		}
	}

	image->create_vk_image(device);

	return image;
}

std::unique_ptr<vkb::scene_graph::components::SamplerC> GLTFLoader::parse_sampler(const tinygltf::Sampler &gltf_sampler) const
{