text: /*
   * Copyright (C) Google Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  #include "indexbuf.hpp"
  
  IndexBuf::IndexBuf(GLushort *data, int dataSizeBytes) {
      mCount = dataSizeBytes / sizeof(GLushort);
  
      glGenBuffers(1, &mIbo);
      BindBuffer();
      glBufferData(GL_ELEMENT_ARRAY_BUFFER, dataSizeBytes, data, GL_STATIC_DRAW);
      UnbindBuffer();
  }
  
  IndexBuf::~IndexBuf() {
      glDeleteBuffers(1, &mIbo);
      mIbo = 0;
  }
  
  void IndexBuf::BindBuffer() {
      glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIbo);
  }
  
  void IndexBuf::UnbindBuffer() {
      glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
  }
  
  