Reland "GLES1: Entry points for lighting and materials" This is a reland of 4a09c1a245c406e402b3996b7ed33798b897e60f Entry points have been autogenerated again. Original change's description: > GLES1: Entry points for lighting and materials > > - glLight*/glMaterial and their queries > - Use new packed enums in these entry points, except for lightmodel > which stays GLenum to be consistent with other generic glGet's > - State.cpp: New glGet* queries related to light model and > light/normal rescale enablement > - GLES1State.cpp: Functions to get/set lighting/material state > - Validation for lighting/materials > > + Add a few convenience methods to random_utils for sampling > non-negative floats and a sampler for random booleans > > BUG=angleproject:2306 > > Change-Id: If7ba0c0a0dc75f88fbaa986b904f1ea96ee6512e > Reviewed-on: https://chromium-review.googlesource.com/1065502 > Commit-Queue: Lingfeng Yang <lfy@google.com> > Reviewed-by: Geoff Lang <geofflang@chromium.org> Bug: angleproject:2306 Change-Id: I434273acd5200dd9f4925e239a032cc8db31a434 Reviewed-on: https://chromium-review.googlesource.com/1072849 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Lingfeng Yang <lfy@google.com>