message: Handle eGL_UNSIGNED_SHORT_5_6_5 in GLTypeSize
diff: @@ -930,6 +930,7 @@ size_t GLTypeSize(GLenum type)
  case eGL_UNSIGNED_BYTE:
  case eGL_BYTE: return 1;
  case eGL_UNSIGNED_SHORT:
  + case eGL_UNSIGNED_SHORT_5_6_5:
  case eGL_SHORT:
  case eGL_HALF_FLOAT_OES:
  case eGL_HALF_FLOAT: return 2;
  