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nir: Add nir_intrinsic_terminate and nir_intrinsic_terminate_if

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7150>
This commit is contained in:
Caio Marcelo de Oliveira Filho
2020-05-08 09:08:34 -07:00
committed by Marge Bot
parent fdb65b8b23
commit f6d5dd825f
6 changed files with 36 additions and 5 deletions
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6
src/compiler/nir/nir_intrinsics.py
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@@ -228,6 +228,9 @@ barrier("discard")
barrier("demote")
intrinsic("is_helper_invocation", dest_comp=1, flags=[CAN_ELIMINATE])
# SpvOpTerminateInvocation from SPIR-V. Essentially a discard "for real".
barrier("terminate")
# A workgroup-level control barrier. Any thread which hits this barrier will
# pause until all threads within the current workgroup have also hit the
# barrier. For compute shaders, the workgroup is defined as the local group.
@@ -288,9 +291,10 @@ barrier("end_invocation_interlock")
# Memory barrier for synchronizing TCS patch outputs
barrier("memory_barrier_tcs_patch")
# A conditional discard/demote, with a single boolean source.
# A conditional discard/demote/terminate, with a single boolean source.
intrinsic("discard_if", src_comp=[1])
intrinsic("demote_if", src_comp=[1])
intrinsic("terminate_if", src_comp=[1])
# ARB_shader_group_vote intrinsics
intrinsic("vote_any", src_comp=[1], dest_comp=1, flags=[CAN_ELIMINATE])