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nir: add last_invocation intrinsic

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6558>
This commit is contained in:
Rhys Perry
2020-09-01 16:30:34 +01:00
committed by Marge Bot
parent 8850a63161
commit 1a912a550f
2 changed files with 3 additions and 1 deletions
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3
src/compiler/nir/nir_intrinsics.py
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@@ -266,10 +266,11 @@ intrinsic("read_first_invocation", src_comp=[0], dest_comp=0, flags=[CAN_ELIMINA
#
# These correspond to the SPIR-V opcodes
#
# OpGroupUniformElect
# OpGroupNonUniformElect
# OpSubgroupFirstInvocationKHR
intrinsic("elect", dest_comp=1, flags=[CAN_ELIMINATE])
intrinsic("first_invocation", dest_comp=1, flags=[CAN_ELIMINATE])
intrinsic("last_invocation", dest_comp=1, flags=[CAN_ELIMINATE])
# Memory barrier with semantics analogous to the compute shader
# groupMemoryBarrier(), memoryBarrierAtomicCounter(), memoryBarrierBuffer(),