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nir: Add load/store/atomic global intrinsics

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These correspond roughly to reading/writing OpenCL global pointers.  The
idea is that they just take a bare address and load/store from it.  Of
course, exactly what this address means is driver-dependent.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
This commit is contained in:
Jason Ekstrand
2018-11-19 13:40:35 -06:00
parent 6380fedb60
commit e461926ef2
3 changed files with 39 additions and 1 deletions
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src/compiler/nir/nir_lower_io.c
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@@ -944,6 +944,7 @@ nir_get_io_offset_src(nir_intrinsic_instr *instr)
case nir_intrinsic_load_output:
case nir_intrinsic_load_shared:
case nir_intrinsic_load_uniform:
case nir_intrinsic_load_global:
return &instr->src[0];
case nir_intrinsic_load_ubo:
case nir_intrinsic_load_ssbo:
@@ -952,6 +953,7 @@ nir_get_io_offset_src(nir_intrinsic_instr *instr)
case nir_intrinsic_load_interpolated_input:
case nir_intrinsic_store_output:
case nir_intrinsic_store_shared:
case nir_intrinsic_store_global:
return &instr->src[1];
case nir_intrinsic_store_ssbo:
case nir_intrinsic_store_per_vertex_output: