texture_object

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This extension introduces named texture objects.

• In OpenGL 1.0, the only way to name a texture is by defining it as a single display list. Because display lists are uneditable, these textures are static. This extension allows images and parameters of textures to be changed after they are defined.
  
  
• A mechanism is provided to prioritize the textures to be held resident on the subsystem and a query to determine which textures are resident.
  
  
• Tuning Tip:
  When using multiple textures, always use texture objects, not display lists.