Patrick Lerda 689f38b2b4 panfrost: fix refcnt imbalance related to blitter
This issue is mainly a consequence of a call to util_blitter_clear()
with unnecessary blitter states, these states are never freed.

This change is inspired from radeonsi and r600.

Note: PAN_SAVE_FRAGMENT_STATE is added and always enabled
at this stage.

For instance, this issue is triggered on Mali-T720 with
"piglit/bin/fcc-read-after-clear sample tex -auto -fbo", "piglit/bin/cubemap -auto"
and "piglit/bin/fbo-srgb -auto" or on Mali-T820 with "piglit/bin/longprim -auto -fbo"
and "piglit/bin/ext_render_snorm-render -auto -fbo"
while setting GALLIUM_REFCNT_LOG=refcnt.log.

cc: mesa-stable

Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22522>
2023-07-10 00:26:01 +00:00
2022-11-22 19:04:13 +00:00
2022-01-19 15:17:17 +00:00
2022-11-21 23:09:30 +00:00
2023-06-09 19:31:20 +00:00
2023-04-13 08:45:17 +00:00

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