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並前往https://www.generacodice.com/en/articolo/471794/tronconiques-opengl-sans-culling-glGet-*-appels

opengl frustum culling without glGet* calls - Genera Codice

I have read that glGet* is something you do not want in your main render loop;. "Using "Get" or "Is" functions slows down render performance.

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查詢 「glGet」的人也找了：

  1. glGetIntegerv
    2.
  2. glGetFloatv
    3.
  3. glTexImage2D
    4.
  4. glReadPixels
    5.
  5. Framebuffer id
    6.
  6. glEnable
    7.
  7. glDrawBuffers
    8.
  8. GL_CLAMP_TO_BORDER
    9.