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nir: Add an load_barycentric_at_offset_nv intrinsic

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NVIDIA hardware takes the offset as two 4.12 fixed-point values packed
into a single 32-bit value.

Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25000>
This commit is contained in:
Faith Ekstrand
2023-09-15 17:22:52 -05:00
committed by Marge Bot
parent 1a2e8290ab
commit a2b799c53c
2 changed files with 2 additions and 0 deletions
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src/compiler/nir/nir_divergence_analysis.c
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@@ -495,6 +495,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
case nir_intrinsic_load_barycentric_model:
case nir_intrinsic_load_barycentric_at_sample:
case nir_intrinsic_load_barycentric_at_offset:
case nir_intrinsic_load_barycentric_at_offset_nv:
case nir_intrinsic_load_barycentric_coord_pixel:
case nir_intrinsic_load_barycentric_coord_centroid:
case nir_intrinsic_load_barycentric_coord_sample:
src/compiler/nir/nir_intrinsics.py
+1
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@@ -1014,6 +1014,7 @@ barycentric("at_sample", 2, [1])
barycentric("coord_at_sample", 3, [1])
# src[] = { offset.xy }.
barycentric("at_offset", 2, [2])
barycentric("at_offset_nv", 2, [1])
barycentric("coord_at_offset", 3, [2])
# Load sample position: