gallium/docs: notes on scissor state

This commit is contained in:
Keith Whitwell 2010-08-20 11:38:33 +01:00
parent f77daaa882
commit bc3cff2a4f
1 changed files with 3 additions and 1 deletions

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@ -63,7 +63,9 @@ objects. They all follow simple, one-method binding calls, e.g.
* ``set_scissor_state`` sets the bounds for the scissor test, which culls
pixels before blending to render targets. If the :ref:`Rasterizer` does
not have the scissor test enabled, then the scissor bounds never need to
be set since they will not be used.
be set since they will not be used. Note that scissor xmin and ymin are
inclusive, but xmax and ymax are exclusive. The inclusive ranges in x
and y would be [xmin..xmax-1] and [ymin..ymax-1].
* ``set_viewport_state``