[CUDA][Bindless] Address USM normalized type image creation failure and functionality #2056
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przemektmalon
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cppchedy
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…nd functionality
The specialised formats, CU_AD_FORMAT_{U|S}NORM_INT{8|16}X{1|2|4},
used to specify a format that is normalized, cannot be applied to
images backed by USM memory, causing a failure. This commit
addresses that issue by using the standard integer formats and
making sure the CU_TRSF_READ_AS_INTEGER flag is set appropriately.
Another issue fixed here is that users with CUDA toolkits pre 11.5
are unable to enable normalized types due to the specialised
formats being introduced in CUDA 11.5.
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The specialised formats, CU_AD_FORMAT_{U|S}NORM_INT{8|16}X{1|2|4}, used to specify a format that is normalized, cannot be applied to images backed by USM memory, causing a failure. This commit addresses that issue by using the standard integer formats and making sure the CU_TRSF_READ_AS_INTEGER flag is set appropriately.
Another issue fixed here is that users with CUDA toolkits pre 11.5 are unable to enable normalized types due to the specialised formats being introduced in CUDA 11.5.
Associated DPC++ PR which tests for this: intel/llvm#15299