We can't unconditionally support separable shader objects on the host,
so submit the property only if the shader is actually separable, the
host knows about the property, and supports SSO.
Without support for SSOs, the host can still compile and link the shaders,
it needs to do more work on interface matching though.
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17344>
Return the capabilities reported by the host. No functional change in case the
host virgl implementation doesn't implement it.
Signed-off-by: Corentin Noël <corentin.noel@collabora.com>
Reviewed-by: Italo Nicola <italonicola@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16401>
This syncs up with the protocol of what eventually landed in virglrender.
1) Move all static params to capset to avoid having to query host
(reduce synchronous round trips at startup)
2) Use res_id instead of host_handle.. costs extra hashtable lookups in
host during submit, but this lets us (with userspace allocated IOVA)
make bo alloc and import completely async.
3) Require userspace allocated IOVA to simplify the protocol and not
have to deal with GEM_NEW/GEM_INFO potentially being synchronous.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16086>
If supported by host virglrenderer and host kernel, use userspace
allocated GPU virtual addresses. This lets us avoid stalling on
waiting for response from host kernel until we need to know the
host handle (which is usually not until submit time).
Handling the async response from host to get host_handle is done
thru the submit_queue, so that in the submit path (hot) we do not
need any additional synchronization to know that the host_handle
is valid.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16086>
Add a new backend to enable using native driver in a VM guest, via a new
virtgpu context type which (indirectly) makes host kernel interface
available in guest and handles the details of mapping buffers to guest,
etc.
Note that fence-fd's are currently a bit awkward, in that they get
signaled by the guest kernel driver (drm/virtio) once virglrenderer in
the host has processed the execbuf, not when host kernel has signaled
the submit fence. For passing buffers to the host (virtio-wl) the egl
context in virglrenderer is used to create a fence on the host side.
But use of out-fence-fd's in guest could have slightly unexpected
results. For this reason we limit all submitqueues to default priority
(so they cannot be preepmted by host egl context). AFAICT virgl and
venus have a similar problem, which will eventually be solveable once we
have RESOURCE_CREATE_SYNC.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14900>
This commit fixes the following flaws in the implementation:
* when a resource was re-allocated, the guest side storage
was also allocated
* when a source needs a readback before being written to, then
the call would go through vws->transfer_get, thereby bypassing the
staging resource, and this would fail on the host, because no
the allocated IOV was too small (just one byte)
* if the texture write would need neither flush nor readback, the
old code path would be used expecting that guest side backing stogage
for the texture.
v2: - actually do a readback to the stageing resource when it is required
- fix typo (Lepton)
v3: Don't use stageing transfers if the host can't read back the data
by rendering to an FBO or calling getTexImage, because in this case
we rely on the IOV to hold the date.
v4: Also don't use staging transfers if the format is no readback
format. Otherwise we have to deal with the resolve blit, and
this is currently not working correctly.
v5: add a new flag that indicates whether non-renderable textures can
be read back (either via glGetTexImage or GBM)
v6: Restrict the use of staging texture transfers to textures that can
be read back, and on GLES also if the they are bound to scanout and
the host uses minigbm to allocate such textures.
For that replace the flag indicating the capability to read back
non-renderable textures with a cap that indicates whether scanout
textures can be read back.
v7: update virglrenderer version in the CI
v8: update use of stageing (Chia-I)
v9: remove superflous check and assignment (Chia-I)
v10: disable stageing textures for arrays with stencil format. This is a
workaround for failures of the CI.
Fixes: cdc480585c
virgl/drm: New optimization for uploading textures
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14495>
1. We can create resource with size of "1" on drm, because size
is not passed to the renderer.
2. We can't create resource with size of "1" on vtest, because shmem
is created based on that.
3. If renderer supports copy_transfer_from_host, then use staging
buffer for transfer in both ways to and from host.
This will allow to reduce memory consumption in the guest.
v2:
- add inline function for checking if we can use this optimization
- add check in readback path. If renderer doesn't support
copy transfer from host, then we need to go with previous
path in readback (through transfer_get ioctl)
v3:
- fix logic for readback
v4:
- refactor the implementation to integrate it more to
existing code base
v5:
- reuse COPY_TRANSFER3D in both directions
v6:
- encode direction in COPY_TRANSFER3D if host supports it
v7:
- renamed cap bit
- introduced COPY_TRANSFER3D_SIZE_LEGACY define
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13689>
Add a new command associated to glLinkProgram. With this we should be
able to compile and link shaders when requested by the user, thus
avoiding that to happen in the middle of a frame.
Together with the command we pass an array of shader handles attached to
the program, where each position of the array corresponds to a pipe
shader type.
Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13674>
Modern games may use more than 16 sampler views, so get what the host
actually supports, and default to 16 on old hosts that don't pass the
value.
Since the possible maximal value of PIPE_MAX_SHADER_SAMPLER_VIEWS doesn't
fit into an uint32_t remove the binding flags, they were only used for
releasing the sampler views, and this can be achieved differently.
v2: Fix compilation error
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: John Bates <jbates@chromium.org> (v1)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13646>
Some game engines rely on the real hardware info to adjust default
graphics quality and other attributes.
Prepend "virgl" to avoid app compat issues and to distinguish from
native platforms while giving engines/apps a chance to adjust graphics
defaults.
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11179>
This field was introduced 2 months ago and it breaks virgl
compatibility between guest/host. Switch the new added field
to the end. We will still have compatibility issue but the
"bug window" is much smaller.
Fixes: e778aceaae ("virgl: update headers")
Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10333>
With this command implemented messages emitted by
applications via glDebugMessageInsert will be forwarded
to the host.
v2: - remove check for feature in encode function, this
is covered in the state tracker (Rohan)
- reorder parameters in the encode function to the
order of the emit callback
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Rohan Garg <rohan.garg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9433>
This allows for virgl guests to expose GL_NVX_gpu_memory_info and
GL_ATI_meminfo when the extensions are supported on the host.
Signed-off-by: Rohan Garg <rohan.garg@collabora.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9337>
Copied from virglrenderer. Some in-development features are guarded by
VIRGL_RENDERER_UNSTABLE_APIS and they should not be used without knowing
the consequences.
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6235>
Gert Wollny
Corentin Noël
Yiwei Zhang
Rob Clark
Akihiko Odaki
Chia-I Wu
mwezdeck
Antonio Caggiano
Dave Airlie
Italo Nicola
Lepton Wu
Rohan Garg
cheyang
Adam Jackson