TINYGL: Always pass the depth test if TGL_DEPTH_TEST is disabled.
EMI: Disable lighting for actors that have lightMode == LightNone in OpenGLS.
EMI: Fix matrix concatenation order when drawing sprites in OpenGLS.
EMI: Fix alpha test in OpenGLS.
EMI: Print information to debug channel if an unknown sprite or texture flag is encountered.
EMI: Sort actors by id if distance is equal.
EMI: Use uint instead of float for animation time.
EMI: Correctly wrap the animation time when the animation duration is exceeded. Fixes #987
TINYGL: Added depth test enabled state tracking to dirty rects.
TINYGL: Added safe check on blit image delete.
GRIM: Changed the way strings are rendered.
TINYGL: Added default values to Line empty constructor.
TINYGL: Fixed minor style issues.
TINYGL: moved global variable to GLContext
TINYGL: Fixed line breaks.
TINYGL: Added const modifier to const variables.
TINYGL: Moved some variables from public to private access.
TINYGL: Minor style/formatting fixes.
TINYGL: Minor formatting fixes.
TINYGL: Refactored if-else sequence with progressive function calls.