GL_TEXTURE_IMMUTABLE_FORMAT_EXT  405 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT                         0x912F
GL_TEXTURE_IMMUTABLE_FORMAT_EXT 1050 third_party/khronos/GLES2/gl2ext.h #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT   0x912F
GL_TEXTURE_IMMUTABLE_FORMAT_EXT   92 ui/gl/gl_bindings.h #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT                  0x912F