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gallium/docs: clarify when query results are reset

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It wasn't completely clear from the docs, so I had to figure out by
looking at piglit results.  Hopefully this saves the next driver writer
implementing queries some time.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
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Rob Clark
2014-05-12 22:19:03 -04:00
parent b18b7781b2
commit 209522070e
1 changed files with 2 additions and 0 deletions
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src/gallium/docs/source/context.rst
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@@ -300,6 +300,8 @@ Queries can be created with ``create_query`` and deleted with
``destroy_query``. To start a query, use ``begin_query``, and when finished, ``destroy_query``. To start a query, use ``begin_query``, and when finished,
use ``end_query`` to end the query. use ``end_query`` to end the query.
``begin_query`` will clear/reset previous query results.
``get_query_result`` is used to retrieve the results of a query. If ``get_query_result`` is used to retrieve the results of a query. If
the ``wait`` parameter is TRUE, then the ``get_query_result`` call the ``wait`` parameter is TRUE, then the ``get_query_result`` call
will block until the results of the query are ready (and TRUE will be will block until the results of the query are ready (and TRUE will be