[SYCL][Bindless] Allow 3-channel image formats #15210
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This patch doesn't implement support for 3-channel formats,
it just allows it in the spec and implementation
so that a backend could implement it later (e.g. Level Zero).
* Removed check from `image_descriptor::verify`
* Updated spec to allow 3-channel formats
* Very simple test, just verifies that CUDA backend still fails
* Missing some PTX intrinsics, use `float4` instead of `float4`
when compiling for CUDA. The more important part is checking that
the CUDA backend throws an exception when trying to create image.
isaacault
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Aug 28, 2024
DBDuncan
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cppchedy
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nrspruit
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Aug 28, 2024
| @@ -0,0 +1,109 @@ | |||
| // REQUIRES: cuda | |||
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Why are you limiting this to CUDA adapter?
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Because it requires extra L0 work, I see you added it here: https://github.com/oneapi-src/unified-runtime/pull/2022/files
gmlueck
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Aug 28, 2024
sycl/doc/extensions/experimental/sycl_ext_oneapi_bindless_images.asciidoc
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wenju-he
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Aug 29, 2024
Co-authored-by: Wenju He <wenju.he@intel.com>
Currently no way to query whether a backends supports 3 channel formats.
# Conflicts: # sycl/doc/extensions/experimental/sycl_ext_oneapi_bindless_images.asciidoc
# Conflicts: # sycl/doc/extensions/experimental/sycl_ext_oneapi_bindless_images.asciidoc
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@jbrodman are you OK with these changes? We can build on top of them later. |
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This patch doesn't implement support for 3-channel formats, it just allows it in the spec and implementation
so that a backend could implement it later (e.g. Level Zero).
image_descriptor::verifyfloat4instead offloat4when compiling for CUDA. The more important part is checking that the CUDA backend throws an exception when trying to create image.