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nir: Add new system values and intrinsics for dealing with CL work offsets

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New intrinsics are added for global invocation IDs and work group IDs to
deal with offsets in both. The only one of these that needs a system value
is global invocation offset, for CL's get_global_offset().

Note that CL requires very large work group sizes, so these intrinsics
are modified to be able to use 64bit values, for 64bit SPIR-V.

Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5891>
This commit is contained in:
Jesse Natalie
2020-07-27 16:56:21 -07:00
committed by Marge Bot
parent 6b1515cb84
commit 41e4eb9948
13 changed files with 41 additions and 29 deletions
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src/compiler/shader_enums.h
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@@ -615,6 +615,7 @@ typedef enum
SYSTEM_VALUE_LOCAL_INVOCATION_ID,
SYSTEM_VALUE_LOCAL_INVOCATION_INDEX,
SYSTEM_VALUE_GLOBAL_INVOCATION_ID,
SYSTEM_VALUE_BASE_GLOBAL_INVOCATION_ID,
SYSTEM_VALUE_GLOBAL_INVOCATION_INDEX,
SYSTEM_VALUE_WORK_GROUP_ID,
SYSTEM_VALUE_NUM_WORK_GROUPS,