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nir: Introduce workgroup_index and ability to lower workgroup_id to it.

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The workgroup_index is intended for situations when a 3 dimensional
workgroup_id is not available on the HW, but a 1 dimensional index is.
In this case, we can use lower the 3D ID to use this.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15103>
This commit is contained in:
Timur Kristóf
2022-02-24 10:27:30 +01:00
committed by Marge Bot
parent 6a4c01f3ef
commit 4b99b528f5
7 changed files with 47 additions and 2 deletions
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src/compiler/shader_enums.h
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@@ -766,6 +766,7 @@ typedef enum
SYSTEM_VALUE_BASE_GLOBAL_INVOCATION_ID,
SYSTEM_VALUE_GLOBAL_INVOCATION_INDEX,
SYSTEM_VALUE_WORKGROUP_ID,
SYSTEM_VALUE_WORKGROUP_INDEX,
SYSTEM_VALUE_NUM_WORKGROUPS,
SYSTEM_VALUE_WORKGROUP_SIZE,
SYSTEM_VALUE_GLOBAL_GROUP_SIZE,