Lines Matching refs:must
31 plane. To avoid ambiguities drivers must return values rounded up
34 ``height`` must be multiples of two.
64 Video hardware may access padding bytes, therefore they must
75 must return a ``bytesperline`` value rounded up to a multiple of
79 Applications and drivers must set this to 0 in that case.
89 This information supplements the ``pixelformat`` and must be set
102 must first ensure that the feature is supported by querying the
108 To use the extended fields, applications must set the ``priv``
114 drivers must act as if all the extended fields were set to zero.
115 On return drivers must set the ``priv`` field to
127 This information supplements the ``colorspace`` and must be set by
133 This information supplements the ``colorspace`` and must be set by
142 This information supplements the ``colorspace`` and must be set by
148 This information supplements the ``colorspace`` and must be set by