There is native support for D3D-style untyped UAVs, which are an unsized
array of "records."
This will be needed for acceleration structures, because normal SSBO
descriptors aren't large enough to cover all the 128-byte instance
descriptors for the maximum number of instances (2**24).
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28447>
Make sure that struct vk_bvh_geometry_data is defined before
vk_fill_geometry_data(), to fix this error:
In file included from ../src/freedreno/vulkan/tu_acceleration_structure.cc:29:
../src/vulkan/runtime/vk_acceleration_structure.h:138:1: error: 'vk_fill_geometry_data' has C-linkage specified, but returns incomplete type 'struct vk_bvh_geometry_data' which could be incompatible with C [-Werror,-Wreturn-type-c-linkage]
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28447>
Found on simulation, complaining about SIMD32 shaders enabled when
using MSAA 16x.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30753>
The test runner can automatically update reference shaders when the
result changes.
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32644>
This allows unit tests to compare against a reference nir shader instead
of implementing checks for interesting instructions/CF nodes.
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32644>
flag day change to use the new infra. as-is this is a bit pointless, but it
unblocks the new bindgen work.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33067>
this will be needed with vtn_bindgen2
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33067>
this is a helper for lowering the printf buffer intrinsics to constants for
backend convenience.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33067>
this is required for vtn_bindgen2 where we don't know the buffer size until
the driver-specific code paths, but we need to lower printf (to hash format
strings) in common code. so defer the buffer size decision to an intrinsic.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33067>
Currently, nir_lower_printf depends on a per-nir_shader table, writing out
indices into the printf buffer. This works for real OpenCL implementations
(rusticl, microsoft) which can associate the printf buffer with a particular
kernel, I guess. (Actually it's not clear to me that it works well there either
but that's not my problem.)
This mechanism is unsuitable for internal driver shaders, where printfs with
unique format strings can come from many different nir_shaders. There are two
current solutions in tree to this for driver CL:
* Honeykrisp: Only use one single nir_shader (libagx). This prevents us from
using printf in common CL and requires extra driver tracking. It won't work
with my upcoming vtn_bindgen rework, which is why I'm addressing this now.
* Anv: Offset format-string indices by a dynamic "base identifier" using relocs
or a push constant, then pool format strings into a table from nir_shader's
across the device. The problem here is that these indices now depend on the
order that nir_shaders are seen (which causes a mess for caching if relocs are
used, or requires extra push constants and extra bookkeping if relocs aren't
used). And the driver tracking required to do this pooling correctly is even
more complicated than what Honeykrisp does. I do not want every driver in-tree
needing to go down this path, and it wouldn't work with my upcoming
vtn_bindgen.
This MR introduces an alternate approach: rather than writing indices into the
table, we instead hash the format string itself and write the hash. That doesn't
depend on what nir_shader we came from, so we can freely mix & match and get
consistent hashes. That greatly alleviates driver tracking burden. To make that
possible, we need a global hash table mapping hashed format identifiers to the
format strings themselves.
That approach still requires a step to "register" format strings into the table.
That step would not be required if we wrote the actual strings themselves into
the table, but that was ruled out for performance/code size reasons. However, we
do not want drivers to need to explicitly register all the strings they use,
because once we have OpenCL in common code via vtn_bindgen2, drivers won't know
all the strings they use. Fortunately, there's a neat solution for that too.
By making this global table a singleton (with internal locking), vtn_bindgen2
can automatically register format strings via a static constructor. In
conjunction with the infrastructure added here, that eliminates all driver
bookkeeping required for format-strings.
The code itself is inspired by the glsl type singleton. Is it pretty? Not
really, but it gets the job done well.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33067>
