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frontends/va: Flush after unmapping VAImageBufferType

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If application changed image data we need to flush on unmap to make the
changes visible. This will also flush if the mapping was used only for
reading, but we can't know that as vaMapBuffer doesn't have a parameter
to specify if read or write is requested.

Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9774

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25102>
(cherry picked from commit d6299ec258)
This commit is contained in:
David Rosca 2023-09-07 21:11:47 +02:00 • committed by Eric Engestrom
parent 3adf614dad
commit 1fb0c702c4
2 changed files with 4 additions and 1 deletions
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2
.pick_status.json
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@ -634,7 +634,7 @@
"description": "frontends/va: Flush after unmapping VAImageBufferType",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null
},

3
src/gallium/frontends/va/buffer.c
View file

@ -213,6 +213,9 @@ vlVaUnmapBuffer(VADriverContextP ctx, VABufferID buf_id)
unmap_func(drv->pipe, buf->derived_surface.transfer);
buf->derived_surface.transfer = NULL;
if (buf->type == VAImageBufferType)
drv->pipe->flush(drv->pipe, NULL, 0);
}
mtx_unlock(&drv->mutex);