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debugger: speed up QImage dumper

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This commit is contained in:
hjk
2010-03-15 14:48:06 +01:00
parent 8894c040b1
commit a47fa969cd
5 changed files with 81 additions and 51 deletions
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39
share/qtcreator/gdbmacros/gdbmacros.py
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@@ -407,18 +407,33 @@ def qdump__QImage(d, item):
d.endChildren()
format = d.itemFormat(item)
if format == 1:
d.beginItem("editvalue")
d.put("%02x" % 1) # Magic marker for "QImage" data.
d.put("%08x" % int(d_ptr["width"]))
d.put("%08x" % int(d_ptr["height"]))
d.put("%08x" % int(d_ptr["format"]))
# Take 4 at a time, this is critical for performance.
# In fact, even 4 at a time is too slow beyond 100x100 or so.
p = bits.cast(gdb.lookup_type("unsigned int").pointer())
for i in xrange(nbytes / 4):
d.put("%08x" % int(p.dereference()))
p += 1
d.endItem()
if False:
# Take four bytes at a time, this is critical for performance.
# In fact, even four at a time is too slow beyond 100x100 or so.
d.putField("editformat", 1) # Magic marker for direct "QImage" data.
d.beginItem("editvalue")
d.put("%08x" % int(d_ptr["width"]))
d.put("%08x" % int(d_ptr["height"]))
d.put("%08x" % int(d_ptr["format"]))
p = bits.cast(gdb.lookup_type("unsigned int").pointer())
for i in xrange(nbytes / 4):
d.put("%08x" % int(p.dereference()))
p += 1
d.endItem()
else:
# Write to an external file. Much faster ;-(
file = tempfile.mkstemp(prefix="gdbpy_")
filename = file[1]
p = bits.cast(gdb.lookup_type("unsigned char").pointer())
gdb.execute("dump binary memory %s %s %s" %
(filename, cleanAddress(p), cleanAddress(p + nbytes)))
d.putField("editformat", 3) # Magic marker for external "QImage" data.
d.beginItem("editvalue")
d.put(" %d" % int(d_ptr["width"]))
d.put(" %d" % int(d_ptr["height"]))
d.put(" %d" % int(d_ptr["format"]))
d.put(" %s" % filename)
d.endItem()
def qdump__QLinkedList(d, item):