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nir: Add gl_PointCoord system value

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gl_PointCoord handling needs some special bits set in lima/ppir code
generation. Treating gl_PointCoord as a system value makes it easier
to distinguish from a regular varying.

Signed-off-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Andreas Baierl
2019-06-04 13:24:53 +02:00
committed by Qiang Yu
parent 24af57407c
commit f5804f1768
3 changed files with 6 additions and 0 deletions
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src/compiler/nir/nir_gather_info.c
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@@ -238,6 +238,7 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader,
case nir_intrinsic_load_draw_id:
case nir_intrinsic_load_frag_coord:
case nir_intrinsic_load_point_coord:
case nir_intrinsic_load_front_face:
case nir_intrinsic_load_vertex_id:
case nir_intrinsic_load_vertex_id_zero_base: