Instead of manually adding the BOs from the various SLAB pools plus
the one backing the color FB, we insert them in the BO set attached
to the job and let panfrost_drm_submit_job() pass all BOs from this set
to the SUBMIT ioctl.
This means we are now passing all referenced BOs and let the scheduler
wait on referenced BO fences if needed.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
There's no point duplicating the code, and it will help us simplify
the bo_handles[] filling logic in panfrost_drm_submit_job().
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
To avoid the panfrost_memory <-> panfrost_bo dance done in
panfrost_resource_create_bo() and panfrost_bo_unreference().
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
So we can re-use it for the panfrost_drm_create_bo() function we are
about to introduce.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Let's keep a clear split between ioctl wrappers and the rest of the
driver. All the import BO function need is a dmabuf FD and the screen
object, and the export one should only take care of generating a dmabuf
FD out of a BO object. Winsys handle manipulation should stay in the
resource.c file.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
That's what most (all?) implementation seem to do, and my understanding
is that a BO is just a bunch of memory that can be used for anything GPU
related, not only texture/FB resources.
Let's move those meta data in panfrost_resource so we can use
panfrost_bo for all kind of memory allocation and make BO allocation
more consistent.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
panfrost_drm_submit_job() and panfrost_fence_create() are not used
outside of pan_drm.c.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
bo->imported was never set to true which means this path was never taken.
Moreover, panfrost_drm_free_imported_bo() is doing missing the munmap()
call which seems wrong because the import BO function calls mmap().
Let's just kill this function along with the ->imported field.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Commit 5f81669d88 ("panfrost: Remove the panfrost_driver abstraction")
left a few things behind, remove them now.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Otherwise we get random use-after-{free,unmap} errors.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
---
Changes in v2:
- Move the panfrost_job_add_bo() call out of the loop
It's currently only enabled if dcc_slice_size is equal to
dcc_slice_fast_clear_size because the driver assumes that
portions of multiple layers are contiguous but it's not
always true.
Still not supported on GFX9.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This will help for clearing DCC arrays because we need to know
the subresource range.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Addrlib doesn't provide this info. Because DCC is linear, at least
on GFX8, it's easy to compute the size of one slice.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
There will unfortunately be circumstances where we cannot re-use a
virtual memory address until it's no longer active on the GPU. To
facilitate this, we instead move BOs to a "dead" list, and defer
closing them and returning their VMA until they are idle. We
periodically sweep these away in cleanup_bo_cache, which triggers
every time a new object's refcount hits zero.
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Tested-by: Jordan Justen <jordan.l.justen@intel.com>
In the future, some images will need to be aligned to a larger value
than 4096. Most buffers, however, don't have any such requirement,
so for now we only add the parameter to iris_bo_alloc_tiled() and
leave the others with the simpler interface.
v2: Fix missing alignment in vma_alloc, caught by Caio!
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Tested-by: Jordan Justen <jordan.l.justen@intel.com>
Generally, we achieve this by skipping the flush on calls to
v3d_flush_jobs_writing_resource() when we detect that the resource is written
in the current job from a transform feedback write.
The exception to this is the case where the caller is about to map the
resource, in which case we need to flush immediately since we can only emit
'Wait for transform feedback' commands on rendering jobs. We add a parameter
to the function so the caller can identify that scenario.
Reviewed-by: Eric Anholt <eric@anholt.net>
The hardware can flush transform feedback writes before reads in the same
job by inserting this command.
This patch detects when the rendering state for the current draw call reads
resources that had been previously written by transform feedback in the
same job and inserts the 'Wait for transform feedback' command before
emitting the new draw.
v2 (Eric):
- this was intended to look at job->tf_write_prscs for TF jobs.
- clear job->tf_write_prscs after we emit the TF flush.
- can skip flushes for fragment shader reads from TF.
v3 (Eric):
- all resources in job->tf_write_prscs are resources written by TF so
we don't need to check if they are bound to PIPE_BIND_STREAM_OUTPUT.
- documented optimization opportunity for geometry stages.
Reviewed-by: Eric Anholt <eric@anholt.net>
The hardware provides a feature to sync reads from previous transform feedback
writes in the same job so if we use this mechanism we no longer have to flush
the job.
In order to identify this scenario we need a mechanism to identify resources
that are written by transform feedback.
v2: use _mesa_pointer_set_create (Eric)
Reviewed-by: Eric Anholt <eric@anholt.net>
the dri image format here should match the fourcc format
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
the formats handled in the switch statement will always return an
unknown mesa format, so process them directly and leave the default
case for other/unknown formats
no functional changes
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
If our resource_copy_region size is a small number of DWords, then
instead of firing up BLORP, we can simply use MI_COPY_MEM_MEM (after
a CS stall). We also try and select the optimal batch.
Improves performance in Shadow of Mordor on Low settings at 1920x1080
on Skylake GT4e by 0.689096% +/- 0.473968% (n=4). It tries to copy
4 bytes of data to a buffer which was most recently used as a writable
compute shader SSBO. Previously we were switching from compute to the
render pipeline, then firing up all of blorp_buffer_copy...for 4 bytes.
I arbitrarily decided to support 4/8/12/16 bytes. Jason thinks this
is about the right threshold where it's cheaper to use MI_COPY_MEM_MEM.
We can greatly simplify our builds by just hardcoding GLvector4f and
GLmatrix's layouts.
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Most of these haven't been used since the conversion from checked-in
matypes to generation. By cutting down the generated contents, this
should clarify why the file is generated: we need
architecture-specific offsets to the V4F fields in the asm that uses
it.
v2: Keep matrix offsets to prevent x86 build breakage..
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
These two are already pulled from `idep_vulkan_util_headers`.
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Currently only 7 formats are supported, but we don't want the 16 limit
(it's an `unsigned`) to hit us by surprise :]
Let's use bitset.h's BITSET magic to allow us to have any number of
formats, with a static assert to make sure we don't forget to update it.
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
v2: 1) Drop changes for vec4 backend as on Gen11+ we don't support
align16 mode (Matt Turner)
Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
We implement GLES3.0 instanced rendering with full support for instanced
arrays (via instance divisors). To do so, we use the new invocation
helpers to invoke a triplet of (1, vertex_count, instance_count), rather
than simply (1, vertex_count, 1). We rewrite the attribute handling code
into a new pan_instancing.c file which handles both the simple LINEAR
case for non-instanced as well as each of the new instancing cases:
MODULO (for per-vertex attributes), POT and NPOT divisors.
As a side effect, we rework how vertex buffers are handled, duplicating
them to be 1:1 with vertex descriptors to simplify instancing code paths
dramatically. This might be a performance regression, but this remains
to be seen; if so, we can always deduplicate later with some added logic
in pan_instancing.c
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Rather than open-coding workgroups_shift_* type fields, we include a
general routine for packing the vertex/tiler/compute descriptor based on
the provided dispatch parameters.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
