RenameExtensionIntoCore GL_KHR_debug
RenameExtensionIntoCore GL_OES_texture_3D
IgnoreExtension GL_OES_get_program_binary
RenameExtensionIntoCore GL_OES_required_internalformat
RenameExtensionIntoCore GL_EXT_unpack_subimage

ForceExtension GL_EXT_occlusion_query_boolean