Module: Mesa Branch: main Commit: 5984265d4598fc76d879f587a1e5da0f1c8d87b1 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5984265d4598fc76d879f587a1e5da0f1c8d87b1
Author: Faith Ekstrand <[email protected]> Date: Mon Sep 18 21:14:35 2023 -0500 nir: Add a load_sysval_nv intrinsic Reviewed-by: Emma Anholt <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25000> --- src/compiler/nir/nir.h | 3 ++- src/compiler/nir/nir_divergence_analysis.c | 1 + src/compiler/nir/nir_intrinsics.py | 4 ++++ 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h index 51c9408153f..39f3865885b 100644 --- a/src/compiler/nir/nir.h +++ b/src/compiler/nir/nir.h @@ -2084,7 +2084,8 @@ nir_intrinsic_can_reorder(nir_intrinsic_instr *instr) } else if (instr->intrinsic == nir_intrinsic_load_ssbo || instr->intrinsic == nir_intrinsic_bindless_image_load || instr->intrinsic == nir_intrinsic_image_deref_load || - instr->intrinsic == nir_intrinsic_image_load) { + instr->intrinsic == nir_intrinsic_image_load || + instr->intrinsic == nir_intrinsic_load_sysval_nv) { return nir_intrinsic_access(instr) & ACCESS_CAN_REORDER; } else { const nir_intrinsic_info *info = diff --git a/src/compiler/nir/nir_divergence_analysis.c b/src/compiler/nir/nir_divergence_analysis.c index b6504ce6019..14079efb161 100644 --- a/src/compiler/nir/nir_divergence_analysis.c +++ b/src/compiler/nir/nir_divergence_analysis.c @@ -606,6 +606,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr) case nir_intrinsic_load_ray_hit_kind: case nir_intrinsic_load_ray_flags: case nir_intrinsic_load_cull_mask: + case nir_intrinsic_load_sysval_nv: case nir_intrinsic_report_ray_intersection: case nir_intrinsic_rq_proceed: case nir_intrinsic_rq_load: diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py index 07bcea5da8f..526413f1917 100644 --- a/src/compiler/nir/nir_intrinsics.py +++ b/src/compiler/nir/nir_intrinsics.py @@ -1954,6 +1954,10 @@ system_value("leaf_procedural_intel", 1, bit_sizes=[1]) system_value("btd_shader_type_intel", 1) system_value("ray_query_global_intel", 1, bit_sizes=[64]) +# NVIDIA-specific intrinsics +intrinsic("load_sysval_nv", dest_comp=1, src_comp=[], bit_sizes=[32, 64], + indices=[ACCESS, BASE], flags=[CAN_ELIMINATE]) + # In order to deal with flipped render targets, gl_PointCoord may be flipped # in the shader requiring a shader key or extra instructions or it may be # flipped in hardware based on a state bit. This version of gl_PointCoord
