static void updateUniformIV (const string &uniform, usize count, const s32 *val)
        {
            sUniformCallbacks[uniform] = [count, val] (Program *prog, const string &uniform)
                {
                    Uniform uni = prog->getUniform(uniform);
                    uni.setIV(count, val);
                };

            for each (auto i in sPrograms)
            {
                const Program *prog = i.second;
                Uniform uni = prog->getUniform(uniform);
                uni.setIV(count, val);
            }
        }