Split the monolithic v3dv_private.h (~2600 lines) into self-contained
sub-headers so each .c file only includes what it needs:
v3dv_common.h, v3dv_device.h, v3dv_image.h, v3dv_pass.h,
v3dv_query.h, v3dv_pipeline.h, v3dv_descriptor_set.h,
v3dv_cmd_buffer.h, v3dv_version_dispatch.h
As part of this commit we remove v3dv_private.h.
We keep v3dvx_private.h as it is, because the gain would be really
small (a lot of really small sub-headers).
In addition to keep things more tidy, we made a quick performance
check. We measured how many files are re-compiled and the performance
difference when touching one of the headers, compared with keeping
just one monolithic header.
Header touch (incremental) Split Monolithic Speedup
-------------------------- ----- ---------- -------
v3dv_image.h 2369 (24f) 2436 (33f) 1.03x
v3dv_query.h 2357 (20f) 2436 (33f) 1.03x
v3dv_pass.h 2352 (20f) 2436 (33f) 1.04x
v3dv_cmd_buffer.h 2354 (20f) 2436 (33f) 1.03x
v3dv_descriptor_set.h 2436 (33f) 2436 (33f) 1.00x
v3dv_pipeline.h 2437 (33f) 2436 (33f) 1.00x
v3dv_device.h 2418 (31f) 2436 (33f) 1.01x
v3dv_common.h 2419 (33f) 2436 (33f) 1.01x
v3dv_version_dispatch.h 2371 (26f) 2436 (33f) 1.03x
Header touch (incremental) Split Monolithic Speedup
-------------------------- ---------- ---------- -------
v3dv_image.h 2377 (24f) 2443 (33f) 1.03x
v3dv_query.h 2346 (20f) 2443 (33f) 1.04x
v3dv_pass.h 2360 (20f) 2443 (33f) 1.04x
v3dv_cmd_buffer.h 2351 (20f) 2443 (33f) 1.04x
v3dv_descriptor_set.h 2438 (33f) 2443 (33f) 1.00x
v3dv_pipeline.h 2429 (33f) 2443 (33f) 1.01x
v3dv_device.h 2418 (31f) 2443 (33f) 1.01x
v3dv_common.h 2432 (33f) 2443 (33f) 1.00x
v3dv_version_dispatch.h 2373 (26f) 2443 (33f) 1.03x
The bigger gain is on the files recompiled for some headers (going
from 33 down to 20 in some cases). The performance gain is not so
relevant though.
Acked-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40169>
