add memory pool to gl context

apply new logging macros

improve error.c functions

fix probably incorrect array access of struct members

use refcounted objects for textures instead of pass-by-value int structs

add support for 2d textures in sprite shader - fixes #386

skip sprite rendering when there are no sprites in the scene

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

mercurial