GL_COMPARE_REF_TO_TEXTURE_EXT  366 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_COMPARE_REF_TO_TEXTURE_EXT                           0x884E
GL_COMPARE_REF_TO_TEXTURE_EXT 1007 third_party/khronos/GLES2/gl2ext.h #define GL_COMPARE_REF_TO_TEXTURE_EXT     0x884E