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gallium: add PIPE_CAP_RESOURCE_FROM_USER_MEMORY_COMPUTE_ONLY

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With the current UAPI we only support user pointers from the compute
engines, so we need a way to express that in gallium.

v2: fix typos
v3: add allows_user_pointers helper

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Pierre Moreau <dev@pmoreau.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5906>
This commit is contained in:
Karol Herbst
2020-05-05 15:09:50 +02:00
committed by Marge Bot
parent 08ceba943d
commit c0f7f833eb
6 changed files with 14 additions and 5 deletions
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docs/gallium/screen.rst
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@@ -275,6 +275,9 @@ The integer capabilities:
existing user memory into the device address space for direct device access.
The create function is pipe_screen::resource_from_user_memory. The address
and size must be page-aligned.
* ``PIPE_CAP_RESOURCE_FROM_USER_MEMORY_COMPUTE_ONLY``: Same as
``PIPE_CAP_RESOURCE_FROM_USER_MEMORY`` but indicates it is only supported from
the compute engines.
* ``PIPE_CAP_DEVICE_RESET_STATUS_QUERY``:
Whether pipe_context::get_device_reset_status is implemented.
* ``PIPE_CAP_MAX_SHADER_PATCH_VARYINGS``: