fix that some drivers fail to compile a shader when a code line is NULL with length zero

adds first basic rectangle shader

make draw function dynamic

resolve east-west conflict

implement interval for behaviors - fixes #383

compute frame time before syncing to avoid div-by-zero in first frame

fix micro fail

consistent naming of structs and their typedefs

do not try to use one distinct render group for each different shader

prepare implementation of primitives

fix includes in glcontext.c

implement edge-triggered key press/release

(0) -100 -12 +12 tip

mercurial