 "blendEquation",
  "blendEquationSeparate",
  "blendFunc",
  "blendFuncSeparate",
  "bufferData",
  "bufferSubData",
  "checkFramebufferStatus",
  "clear",
  "clearColor",
  "clearDepth",
  "clearStencil",
  "colorMask",
  "compileShader",
  "compressedTexImage2D",
  "compressedTexSubImage2D",
  "copyTexImage2D",
  "copyTexSubImage2D",
  "createBuffer",
  "createFramebuffer",
  "createProgram",
  "createRenderbuffer",
  "createShader",
  "createTexture",
  "cullFace",
  "deleteBuffer",
  "deleteFramebuffer