update make dependencies

add frame_rate and frame_factor to context

add TODO for reducing size of AscInput

change NULL-safety for shaders s.t. errors are reported only once per shader

improve NULL-safety - fixes #690

fix segfault when a shader does not compile

improve the combination of shader preprocessor flags

(0) -100 -30 -10 -7 +7 +10 tip

mercurial