Method Release

Rendering/OpenGL2/vtkOpenGLVertexArrayObject.cxx:186–220

}

void vtkOpenGLVertexArrayObject::Release()
{
  if (this->Internal->IsReady() && this->Internal->Supported)
  {
    glBindVertexArray(0);
  }
  else if (this->Internal->IsReady())
  {
    Private::AttributeMap::const_iterator it;
    for (it = this->Internal->Attributes.begin(); it != this->Internal->Attributes.end(); ++it)
    {
      std::vector<VertexAttributes>::const_iterator attrIt;
      for (attrIt = it->second.begin(); attrIt != it->second.end(); ++attrIt)
      {
        int matrixCount = attrIt->IsMatrix ? attrIt->Size : 1;
        for (int i = 0; i < matrixCount; ++i)
        {
          if (attrIt->Divisor > 0)
          {
#ifdef GL_ES_VERSION_3_0
            glVertexAttribDivisor(attrIt->Index + i, 0);
#else
            if (GLAD_GL_ARB_instanced_arrays)
            {
              glVertexAttribDivisorARB(attrIt->Index + i, 0);
            }
#endif
          }
          glDisableVertexAttribArray(attrIt->Index + i);
        }
      }
    }
  }
  this->Modified();
}

void vtkOpenGLVertexArrayObject::ShaderProgramChanged()
{