Hi all,
It looks like the Image constructor at line 152 of
pyopencl/__init__.py is incorrectly warning when hostbuf is None and
no memory flags are passed.
I believe line 149 should read "if hostbuf is not None and not \" instead.
139 class Image(_cl._ImageBase):
140 def __init__(self, context, flags, format, shape=None, pitches=None,
141 hostbuf=None, is_array=False, buffer=None):
142
143 if shape is None and hostbuf is None:
144 raise Error("'shape' must be passed if 'hostbuf' is not given")
145
146 if shape is None and hostbuf is not None:
147 shape = hostbuf.shape
148
149 if hostbuf is None and not \
150 (flags & (mem_flags.USE_HOST_PTR |
mem_flags.COPY_HOST_PTR)):
151 from warnings import warn
152 warn("'hostbuf' was passed, but no memory flags to
make use of it.")
Best,
Luke
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