fix for
issue #234 - the framebuffers for side-by-side and top/bottom had alpha channels. so when sprites with alpha were blended into the framebuffer it would blend the sprite pixel alpha with the fb pixel alpha
include_directories(${GLEW_INCLUDE_DIR})
file(GLOB fpcrtl_src *.c)
add_library(fpcrtl STATIC ${fpcrtl_src})
#if(WEBGL)
# set_target_properties(fpcrtl PROPERTIES PREFIX "em")
# set_target_properties(fpcrtl PROPERTIES SUFFIX ".bc")
#endif(WEBGL)