H
glHint
Chapter 8
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GL_PERSPECTIVE_CORRECTION_HINT
Indicates the quality of color and texture coordinate interpolation. If
perspective-corrected parameter interpolation is not efficiently supported by the GL
implementation, hinting GL_DONT_CARE or GL_FASTEST can result in simple linear
interpolation of colors and/or texture coordinates.
GL_POINT_SMOOTH_HINT
Indicates the sampling quality of anti-aliased points. If a larger filter function is applied,
hinting GL_NICEST can result in more pixel fragments being generated during
rasterization,
GL_POLYGON_SMOOTH_HINT
Indicates the sampling quality of anti-aliased polygons. Hinting GL_NICEST can result
in more pixel fragments being generated duringrasterization, if a largerfilter function is
applied.
GL_BUFFER_SWAP_MODE_HINT_hp
GL_FASTEST switches to the faster double-buffering method, and GL_NICEST
switches to the slower double-buffering method.
Notes
The interpretation of hints depends on the implementation. Some implementations
ignore glHint settings.
Errors
• GL_INVALID_ENUM is generated if either target or mode is not an accepted value.
• GL_INVALID_OPERATION is generated if glHint is executed between the
execution of glBegin and the corresponding execution of glEnd.
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