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33f0f68d59
ralloc_adopt() reparents all children from one context to another.
Conceptually, ralloc_adopt(new_ctx, old_ctx) behaves like this
pseudocode:
foreach child of old_ctx:
ralloc_steal(new_ctx, child)
However, ralloc provides no way to iterate over a memory context's
children, and ralloc_adopt does this task more efficiently anyway.
One potential use of this is to implement a memory-sweeper pass: first,
steal all of a context's memory to a temporary context. Then, walk over
anything that should be kept, and ralloc_steal it back to the original
context. Finally, free the temporary context. This works when the
context is something that can't be freed (i.e. an important structure).
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
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| .. | ||
| tests/hash_table | ||
| .gitignore | ||
| Android.mk | ||
| bitset.h | ||
| format_srgb.h | ||
| format_srgb.py | ||
| hash_table.c | ||
| hash_table.h | ||
| macros.h | ||
| Makefile.am | ||
| Makefile.sources | ||
| mesa-sha1.c | ||
| mesa-sha1.h | ||
| ralloc.c | ||
| ralloc.h | ||
| register_allocate.c | ||
| register_allocate.h | ||
| rgtc.c | ||
| rgtc.h | ||
| roundeven_test.c | ||
| rounding.h | ||
| SConscript | ||
| set.c | ||
| set.h | ||
| simple_list.h | ||
| strtod.cpp | ||
| strtod.h | ||
| texcompress_rgtc_tmp.h | ||
| u_atomic.h | ||
| u_atomic_test.c | ||