This completes the opaque fd api coverage, and is needed by lavapipe for
sparse binding support with opaque fd external memory.
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38074>
Looking at each usage of DETECT_OS_UNIX, it's more about the POSIX API usage, not the
Unix-like OS, so let's rename it
And for POSIX it's a standard to claim which API present, but for UNIX there is no such thing
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Acked-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29555>
except leaving u_endian.h behind to use __ANDROID__ directly to be
consistent with the rest in that file, which deserves a different
refactor
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Yonggang Luo <luoyonggang@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27374>
The original implementation in os_memory_fd.c always uses memfds.
Replace this by using the already existing os_create_anonymous_file in
order to support older systems or systems without memfd.
Fixes: 1166ee9caf ("gallium: add utility and interface for memory fd allocations")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13331>
Add utility functions to allocate aligned memory backed by
mem_fd objects. Add interface to Gallium for same allocation.
It will be used in later commits for external memory support
in Vulkan/OpenGL.
Reviewed-by: Dave Airlie <airlied@redhat.com>
Tested-by: Heinrich Fink <hfink@snap.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12345>
