diff options
| author | Rafael Antognolli <[email protected]> | 2020-06-24 18:52:55 +0000 |
|---|---|---|
| committer | Rafael Antognolli <[email protected]> | 2020-06-25 22:11:08 -0700 |
| commit | 293221dddaedb410781d39fdecf3c93bb111475b (patch) | |
| tree | b3c7e4a8ceec84b10429e10f8f7463f26d9bebbf /src/gallium/drivers | |
| parent | 2fd746e98e76c9454b7fab0ac41c5b1456bcba90 (diff) | |
iris: Align last_seqnos to 64 bits.
last_seqnos is used in atomic operations. Specially on 32 bit platorms,
it tends to be slower if it's not aligned to 64 bits (see
cdc331c6f9f6b2ffc035018de4445dba9b67c1f7). This fixes a small regression
on Bioshock.
Fixes: aba3aed96e4 ("iris: fix export of GEM handles")
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Lionel Landwerlin <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5637>
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/iris/iris_bufmgr.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/iris/iris_bufmgr.h b/src/gallium/drivers/iris/iris_bufmgr.h index d1594ff3d62..e69b5a55e3f 100644 --- a/src/gallium/drivers/iris/iris_bufmgr.h +++ b/src/gallium/drivers/iris/iris_bufmgr.h @@ -203,8 +203,11 @@ struct iris_bo { * * Although this is a global field, use in multiple contexts should be * safe, see iris_emit_buffer_barrier_for() for details. + * + * Also align it to 64 bits. This will make atomic operations faster on 32 + * bit platforms. */ - uint64_t last_seqnos[NUM_IRIS_DOMAINS]; + uint64_t last_seqnos[NUM_IRIS_DOMAINS] __attribute__ ((aligned (8))); /** * Boolean of whether the GPU is definitely not accessing the buffer. |