GL_LUMINANCE16F_EXT  684 gpu/command_buffer/service/feature_info.cc             GL_LUMINANCE16F_EXT);
GL_LUMINANCE16F_EXT 9819 gpu/command_buffer/service/gles2_cmd_decoder.cc     case GL_LUMINANCE16F_EXT:
GL_LUMINANCE16F_EXT 10018 gpu/command_buffer/service/gles2_cmd_decoder.cc     case GL_LUMINANCE16F_EXT: