extension ARB_occlusion_query
# OpenGL ES only has the unsigned version
ignore glGetQueryObjectivARB
# OpenGL ES only has GL_ANY_SAMPLES_PASSED, but on desktop OpenGL it
# additionally requires the ARB_occlusion_query2 extension
optional GL_SAMPLES_PASSED_ARB
# Counter resolution query is not available on OpenGL ES
ignore GL_QUERY_COUNTER_BITS_ARB