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author | Kenneth Graunke <kenneth@whitecape.org> | 2015-03-27 19:24:33 -0700 |
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committer | Kenneth Graunke <kenneth@whitecape.org> | 2015-04-02 14:19:41 -0700 |
commit | 33f0f68d590a460f84a0df0de10f29c4a582d7e7 (patch) | |
tree | c9a0c4a69f1cc18bae2815d3c6f77e2f1f692b3e /src/glsl | |
parent | ca3b4d6d17a0f95b287e87888c9d893be94f0301 (diff) | |
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ralloc: Implement a new ralloc_adopt() API.
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>
Diffstat (limited to 'src/glsl')
0 files changed, 0 insertions, 0 deletions