Lines Matching full:must

31 	plane. To avoid ambiguities drivers must return values rounded up
34 	``height`` must be multiples of two.
42 	encoder, the fields must be zero, since the coded size is expected to
74 	Video hardware may access padding bytes, therefore they must
85 	must return a ``bytesperline`` value rounded up to a multiple of
89 	Applications and drivers must set this to 0 in that case.
110         This information supplements the ``pixelformat`` and must be set
130 	must first ensure that the feature is supported by querying the
136 	To use the extended fields, applications must set the ``priv``
142 	drivers must act as if all the extended fields were set to zero.
143 	On return drivers must set the ``priv`` field to
154         This information supplements the ``colorspace`` and must be set by
168         This information supplements the ``colorspace`` and must be set by
184         This information supplements the ``colorspace`` and must be set by
197         This information supplements the ``colorspace`` and must be set by