The Vulkan spec splits sparse resources in two different features:
sparse binding and sparse residency.
Sparse binding is much simpler. It requires the resources to be fully
bound before being used and it treats them as a black box. We're
required to support sparse binding for all the formats that are
supported by non-sparse, but that's easy beacause this feature is
simpler.
Now sparse residency is the one where we're allowed to partially bind
resources, and the one that comes with more complicated features such
as block shapes and non-opaque binding of images. This feature is
subdivided into:
- sparseResidencyBuffer
- sparseResidencyImage2D
- sparseResidencyImage3D
- sparseResidency{2,4,8,16}Samples (which refers to 2D images)
Notice that there's no sparseResidencyImage1D. And if you read the
specs it's clear that sparse residency is meant for non-1D images.
Still, supporting it didn't require any extra effort in Anv so we just
did it.
That's until we started running GL CTS tests on Zink. There's a CTS
test that checks for the standard block shapes. It creates 1D images
and expects the block shapes for them to be the standard 2D block
shapes. While we could very well just patch
anv_sparse_calc_image_format_properties() to return the standard 2D
block shapes for 1D images, that's just wrong (block shapes for 1D
images are just line segments, not rectangles!) so let's just reject
this all until maybe one day Vulkan defines sparseResidencyImage1D and
we get GL_ARB_sparse_texture3 to match it, or somebody decides to
change the GL CTS test.
Testcase: KHR-GL46.sparse_texture2_tests.StandardPageSizesTestCase
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29337>
I got the image alignment requirements for CPCB surfaces from Bspec
authors. The vertical alignment value of 8 was confirmed through the
Vulkan CTS test group, dEQP-VK.fragment_shading_rate*layered*. It also
happens to match the QPitch alignment requirement documented in the
Bspec. Hopefully the CTS will add tests for LOD2+ in order to exercise
the horizontal alignment value.
With this in place, we can start using Tile4.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/10784
Reviewed-by: Rohan Garg <rohan.garg@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29355>
This will prevent the dynamic loader to pick the wrong function once we
rename things to the proper API names.
In any case, this should have been done all along anyway.
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29855>
Compiler can't know that array_size() of the offsets parameter in
textureGatherOffsets is (at most) 4, so use a MIN2() to make the limit
visible. Just adding an assert() gets ignored in Release builds.
This fixes the following warning in Release compilation:
```
../src/compiler/glsl/glsl_to_nir.cpp: In member function ‘virtual void {anonymous}::nir_visitor::visit(ir_texture*)’:
../src/compiler/glsl/glsl_to_nir.cpp:2453:41: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
2453 | instr->tg4_offsets[i][j] = val;
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from ../src/compiler/glsl/glsl_to_nir.h:31,
from ../src/compiler/glsl/glsl_to_nir.cpp:29:
../src/compiler/nir/nir.h:2470:11: note: at offset 8 into destination object ‘nir_tex_instr::tg4_offsets’ of size 8
2470 | int8_t tg4_offsets[4][2];
| ^~~~~~~~~~~
../src/compiler/glsl/glsl_to_nir.cpp:2453:41: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
2453 | instr->tg4_offsets[i][j] = val;
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
../src/compiler/nir/nir.h:2470:11: note: at offset 9 into destination object ‘nir_tex_instr::tg4_offsets’ of size 8
2470 | int8_t tg4_offsets[4][2];
| ^~~~~~~~~~~
```
This is from: `gcc (GCC) 14.1.1 20240522 (Red Hat 14.1.1-4)`.
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29508>
This fixes several downcasting of address to object types when the
original object types were either different or invalid.
This has been detected throught Undefined Behaviour Sanitizer (UBSan).
An example of such issue were:
`downcast of address 0x55559c0cbcc0 which does not point to an object of
type 'ir_variable' 0x55559c0cbcc0: note: object is of type 'ir_constant'
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29772>
Undefined Behaviour Sanitizer (UBSan) detected the following when
running testing `dEQP-VK.graphicsfuzz.cov-fold-negate-min-int-value`:
`negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself`
SPIR-V spec states that OpSNegate(0x80000000) has to return 0x80000000;
in our case, -2147483648 should be -2147483648.
While this is not causing any issue because compilers seem to be
behaving like that, it is still undefined behaviour, so it expects to be
this handled explicitly, which is the purpose of this commit.
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29772>
Drop tu_sampler_ycbcr_conversion in favor of the common vk_ycbcr_conversion.
This allows using CreateSamplerYcbcrConversion and DestroySamplerYcbcrConversion
from the common runtime and will be required for vk_sampler and for using the
common ycbcr lowering later.
Signed-off-by: Valentine Burley <valentine.burley@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29808>
vkd3d-proton always sets the acceleration structure size to be the
whole buffer size. Because of that, allocating read back buffers
for all acceleration structures causes a system with a finite amount
of RAM to OOM.
This is solved by allocating read back buffers on build where the
required size is known.
Reviewed-by: Friedrich Vock <friedrich.vock@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29537>
Paulo Zanoni