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intel/blorp: Add blorp_check_in_bounds() 

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11564>
This commit is contained in:
Jordan Justen 2021-07-07 01:51:20 -07:00 committed by Marge Bot
parent 1448e019d6
commit c8c2c30f5d
1 changed files with 21 additions and 0 deletions
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21
src/intel/blorp/blorp_nir_builder.h
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@ -97,3 +97,24 @@ blorp_nir_mcs_is_clear_color(nir_builder *b,
unreachable("Invalid sample count");
}
}
static inline nir_ssa_def *
blorp_check_in_bounds(nir_builder *b,
nir_ssa_def *bounds_rect,
nir_ssa_def *pos)
{
nir_ssa_def *x0 = nir_channel(b, bounds_rect, 0);
nir_ssa_def *x1 = nir_channel(b, bounds_rect, 1);
nir_ssa_def *y0 = nir_channel(b, bounds_rect, 2);
nir_ssa_def *y1 = nir_channel(b, bounds_rect, 3);
nir_ssa_def *c0 = nir_uge(b, nir_channel(b, pos, 0), x0);
nir_ssa_def *c1 = nir_ult(b, nir_channel(b, pos, 0), x1);
nir_ssa_def *c2 = nir_uge(b, nir_channel(b, pos, 1), y0);
nir_ssa_def *c3 = nir_ult(b, nir_channel(b, pos, 1), y1);
nir_ssa_def *in_bounds =
nir_iand(b, nir_iand(b, c0, c1), nir_iand(b, c2, c3));
return in_bounds;
}