Graphics.Rendering.OpenGL.Raw.SGIX.Clipmap
glGetSGIXClipmap
gl_SGIX_clipmap
gl_LINEAR_CLIPMAP_LINEAR_SGIX
gl_LINEAR_CLIPMAP_NEAREST_SGIX
gl_MAX_CLIPMAP_DEPTH_SGIX
gl_MAX_CLIPMAP_VIRTUAL_DEPTH_SGIX
gl_NEAREST_CLIPMAP_LINEAR_SGIX
gl_NEAREST_CLIPMAP_NEAREST_SGIX
gl_TEXTURE_CLIPMAP_CENTER_SGIX
gl_TEXTURE_CLIPMAP_DEPTH_SGIX
gl_TEXTURE_CLIPMAP_FRAME_SGIX
gl_TEXTURE_CLIPMAP_LOD_OFFSET_SGIX
gl_TEXTURE_CLIPMAP_OFFSET_SGIX
gl_TEXTURE_CLIPMAP_VIRTUAL_DEPTH_SGIX