#include "assets/fallback_data/fallback_texture.hpp"

assets::texture_data assets::generate_fallback_texture(
	const int width,
	const int height,
	const std::span<const fallback_color> colors
) {
	const auto pixel_count = width * height;

	auto data = std::make_unique<texture_data::value_type[]>(pixel_count * sizeof(fallback_color));

	auto pixels = reinterpret_cast<fallback_color*>(data.get());

	for (int y{}; y != height; ++y)
	{
		for (int x{}; x != width; ++x)
		{
			const auto index = (x + y) % colors.size();
			*pixels++ = colors[index];
		}
	}

	return {
		std::move(data),
		width,
		height,
		fallback_color::components
	};
}