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compiler: Add a system value for the line coord

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The line coord is a coordinate along the axis perpendicular to the line.
It is in the range [0,1] between the two edges of the line. It is
available at least on Broadcom hardware.

Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5624>
This commit is contained in:
Neil Roberts
2020-07-03 12:57:36 +02:00
committed by Marge Bot
parent 3144bc1d33
commit 14dd65bb5b
6 changed files with 9 additions and 0 deletions
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src/compiler/nir/nir_divergence_analysis.c
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@@ -314,6 +314,7 @@ visit_intrinsic(nir_intrinsic_instr *instr, struct divergence_state *state)
case nir_intrinsic_interp_deref_at_vertex:
case nir_intrinsic_load_tess_coord:
case nir_intrinsic_load_point_coord:
case nir_intrinsic_load_line_coord:
case nir_intrinsic_load_frag_coord:
case nir_intrinsic_load_sample_pos:
case nir_intrinsic_load_vertex_id_zero_base: