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nak: preserve fp_math_ctrl when lowering cmat

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40630>
This commit is contained in:
Georg Lehmann 2026-03-25 16:58:59 +01:00 • committed by Marge Bot
parent bcdef7c79b
commit 123d8c230e
1 changed files with 8 additions and 0 deletions
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8
src/nouveau/compiler/nak_nir_lower_cmat.c
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@ -968,11 +968,13 @@ lower_cmat_instr(nir_builder *b,
case nir_intrinsic_cmat_unary_op: {
nir_def *src = load_cmat_src(b, intr->src[1]);
nir_op op = nir_intrinsic_alu_op(intr);
b->fp_math_ctrl = nir_intrinsic_fp_math_ctrl(intr);
nir_def *ret = nir_build_alu1(b, op, src);
store_cmat_src(b, intr->src[0], ret);
nir_instr_remove(instr);
b->fp_math_ctrl = nir_fp_fast_math;
return true;
}
@ -980,22 +982,26 @@ lower_cmat_instr(nir_builder *b,
nir_def *src_a = load_cmat_src(b, intr->src[1]);
nir_def *src_b = load_cmat_src(b, intr->src[2]);
nir_op op = nir_intrinsic_alu_op(intr);
b->fp_math_ctrl = nir_intrinsic_fp_math_ctrl(intr);
nir_def *ret = nir_build_alu2(b, op, src_a, src_b);
store_cmat_src(b, intr->src[0], ret);
nir_instr_remove(instr);
b->fp_math_ctrl = nir_fp_fast_math;
return true;
}
case nir_intrinsic_cmat_scalar_op: {
nir_def *src_a = load_cmat_src(b, intr->src[1]);
nir_op op = nir_intrinsic_alu_op(intr);
b->fp_math_ctrl = nir_intrinsic_fp_math_ctrl(intr);
nir_def *ret = nir_build_alu2(b, op, src_a, intr->src[2].ssa);
store_cmat_src(b, intr->src[0], ret);
nir_instr_remove(instr);
b->fp_math_ctrl = nir_fp_fast_math;
return true;
}
@ -1035,12 +1041,14 @@ lower_cmat_instr(nir_builder *b,
case nir_intrinsic_cmat_convert: {
struct glsl_cmat_description dst_desc = cmat_src_desc(intr->src[0]);
struct glsl_cmat_description src_desc = cmat_src_desc(intr->src[1]);
b->fp_math_ctrl = nir_intrinsic_fp_math_ctrl(intr);
nir_def *cmat = load_cmat_src(b, intr->src[1]);
nir_def *ret = lower_cmat_convert(b, intr, cmat, src_desc, dst_desc);
store_cmat_src(b, intr->src[0], ret);
nir_instr_remove(instr);
b->fp_math_ctrl = nir_fp_fast_math;
return true;
}