The glDrawTex() implementation intends to use vertex array pointers, so set the array buffer to null to prevent it from taking precedence. Also save/restore projection and modelview matrices. Bug 23021204 Change-Id: I6b3e59d737a9b75180e6f03e9a686871640f7edd Reviewed-on: https://swiftshader-review.googlesource.com/3880Tested-by: Greg Hartman <ghartman@google.com> Reviewed-by: Nicolas Capens <capn@google.com> Tested-by: Nicolas Capens <capn@google.com>
