GL_STENCIL_INDEX1_OES  109 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_STENCIL_INDEX1_OES                                   0x8D46
GL_STENCIL_INDEX1_OES  287 third_party/khronos/GLES2/gl2ext.h #define GL_STENCIL_INDEX1_OES             0x8D46