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16 commits

Author SHA1 Message Date
Timothy Arceri
25e008c639 util/u_idalloc: fix util_idalloc_sparse_alloc_range() 
If the allocation didn't fit within the segment the loop incorrectly
freed ids of a range of different segments due to the loop redeclaring
i.

Fixes: d4085aaf56 ("util: add util_idalloc_sparse, solving the excessive virtual memory usage")

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33934>
 2025-03-08 09:17:07 +00:00
Marek Olšák
d4085aaf56 util: add util_idalloc_sparse, solving the excessive virtual memory usage 
The code comment in the header file describes how it works.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30106>
 2024-07-17 10:29:12 +00:00
Marek Olšák
287ed620d0 util: make util_idalloc_exists private 
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30106>
 2024-07-17 10:29:12 +00:00
Juan A. Suarez Romero
a407285ff2 util: use unsigned types when performing bitshift 
Ensure unsigned integers are used instead of signed ones when performing
left bit shifts.

This has been detected by the Undefined Behaviour Sanitizer (UBSan).

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29772>
 2024-06-21 21:07:05 +00:00
Marek Olšák
0589dfe4e2 util/idalloc: optimize foreach by tracking the greatest non-zero element 
also add util_idalloc_foreach_no_zero_safe.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27494>
 2024-02-21 16:04:51 +00:00
Marek Olšák
716e483cfb util/idalloc: make deleting invalid IDs a no-op 
This happens with piglit tests if we enable ForceGLNamesReuse
for everything.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27586>
 2024-02-13 03:53:26 +00:00
Marek Olšák
b48998926c util/idalloc: add util_idalloc_alloc_range 
v2: fixed infinite loop (Pierre-Eric)

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> (v1)
Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v2)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11493>
 2021-07-09 10:05:46 +00:00
Marek Olšák
730014bd81 util/idalloc: hide or remove unused public functions 
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11493>
 2021-07-09 10:05:46 +00:00
Marek Olšák
02f37cb9da util/idalloc: reserving an ID that already exists should be no-op 
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11493>
 2021-07-09 10:05:46 +00:00
Marek Olšák
6ede24cf31 util/idalloc: fold the size call into init 
It's required, otherwise idalloc would fail.

v2: renamed util_idalloc_(mt_)init param initial_num_ids  (Pierre-Eric)

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> (v1)
Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v2)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11493>
 2021-07-09 10:05:46 +00:00
Marek Olšák
995f6cbd74 util/idalloc: change num_elements to units of elements instead of bits 
and use memset in resize().

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11493>
 2021-07-09 10:05:46 +00:00
Marek Olšák
3828081c92 util: add thread-safe version of idalloc 
For buffer IDs in u_threaded_context.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10662>
 2021-05-17 10:37:24 +00:00
Marek Olšák
72fa3372cc util/idalloc: resize if ID is too large for reservation 
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7031>
 2020-10-06 15:59:07 +00:00
Pierre-Eric Pelloux-Prayer
553d371933 util/idalloc: add lowest_free_idx to avoid iterating from 0 
lowest_free_idx is a conservative estimation of the lowest index
where a free id can be found.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6600>
 2020-09-10 09:07:11 +02:00
Pierre-Eric Pelloux-Prayer
e808d38299 util/idalloc: add util_idalloc_reserve 
Can be used to mark an id as used (if it was reclaimed without using
util_idalloc_alloc).

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6600>
 2020-09-10 09:07:11 +02:00
Pierre-Eric Pelloux-Prayer
87ef970ee6 mesa: move u_idalloc from gallium/aux/util to util 
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6600>
 2020-09-10 09:07:03 +02:00
Renamed from src/gallium/auxiliary/util/u_idalloc.c (Browse further)