# Try to find OpenGLES2. Once done this will define:
#     OPENGLES2_FOUND
#     OPENGLES2_INCLUDE_DIRS
#     OPENGLES2_LIBRARIES
#     OPENGLES2_DEFINITIONS

find_package(PkgConfig)

pkg_check_modules(PC_OPENGLES2 glesv2)

if (PC_OPENGLES2_FOUND)
    set(OPENGLES2_INCLUDE_DIRS ${PC_OPENGLES2_INCLUDE_DIRS})
    set(OPENGLES2_DEFINITIONS ${PC_OPENGLES2_CFLAGS_OTHER})
else ()
    find_path(OPENGLES2_INCLUDE_DIRS NAMES GLES2/gl2.h)
endif ()

find_library(OPENGLES2_LIBRARIES GLESv2
    HINTS ${PC_OPENGLES2_LIBRARY_DIRS} ${PC_OPENGLES2_LIBDIR}
)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OpenGLES2 DEFAULT_MSG OPENGLES2_LIBRARIES OPENGLES2_INCLUDE_DIRS)

mark_as_advanced(OPENGLES2_INCLUDE_DIRS OPENGLES2_LIBRARY)