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nir/lower_idiv: add options to use fp32 for 8-bit division lowering

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10081>
This commit is contained in:
Rhys Perry
2021-04-07 19:17:46 +01:00
committed by Marge Bot
parent 7db8d307bc
commit a2619b97f5
11 changed files with 74 additions and 32 deletions
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6
src/gallium/drivers/vc4/vc4_program.c
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@@ -2316,7 +2316,11 @@ vc4_shader_ntq(struct vc4_context *vc4, enum qstage stage,
NIR_PASS_V(c->s, vc4_nir_lower_io, c);
NIR_PASS_V(c->s, vc4_nir_lower_txf_ms, c);
NIR_PASS_V(c->s, nir_lower_idiv, nir_lower_idiv_fast);
nir_lower_idiv_options idiv_options = {
.imprecise_32bit_lowering = true,
.allow_fp16 = true,
};
NIR_PASS_V(c->s, nir_lower_idiv, &idiv_options);
vc4_optimize_nir(c->s);