yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,
// Copyright 2017 Citra Emulator Project// Licensed under GPLv2 or any later version// Refer to the license.txt file included.#pragma once#include"common/common_types.h"#include"common/vector_math.h"namespace Pica {namespace Texture {Math::Vec3<u8>SampleETC1Subtile(u64 value,unsigned int x,unsigned int y);}// namespace Texture}// namespace Pica