280     GLuint ioBuf;  in CreateBuffer()  local
281     vtkgl::GenBuffers(1, &ioBuf);  in CreateBuffer()
283     this->Handle = ioBuf;  in CreateBuffer()
297     GLuint ioBuf = static_cast<GLuint>(this->Handle);  in DestroyBuffer()  local
298     vtkgl::DeleteBuffers(1, &ioBuf);  in DestroyBuffer()
445   GLuint ioBuf = static_cast<GLuint>(this->Handle);  in MapBuffer()  local
447   if (!ioBuf)  in MapBuffer()
449     vtkgl::GenBuffers(1, &ioBuf);  in MapBuffer()
451     this->Handle = static_cast<unsigned int>(ioBuf);  in MapBuffer()
456   vtkgl::BindBuffer(target, ioBuf);  in MapBuffer()
490   GLuint ioBuf = static_cast<GLuint>(this->Handle);  in MapBuffer()  local
491   if (!ioBuf)  in MapBuffer()
500   vtkgl::BindBuffer(target, ioBuf);  in MapBuffer()
517   GLuint ioBuf = static_cast<GLuint>(this->Handle);  in UnmapBuffer()  local
518   if (!ioBuf)  in UnmapBuffer()
525   vtkgl::BindBuffer(target, ioBuf);  in UnmapBuffer()
645   GLuint ioBuf = static_cast<GLuint>(this->Handle);  in Allocate()  local
647   if (!ioBuf)  in Allocate()
649     vtkgl::GenBuffers(1, &ioBuf);  in Allocate()
651     this->Handle = static_cast<unsigned int>(ioBuf);  in Allocate()
655   vtkgl::BindBuffer(target, ioBuf);  in Allocate()