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ac/nir: Move ac_nir_lower_sin_cos to separate file.

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32966>
This commit is contained in:
Timur Kristóf 2025-01-09 18:41:38 -06:00
parent 19bca6d425
commit a986f9b90d
3 changed files with 32 additions and 21 deletions
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21
src/amd/common/ac_nir.c
View file

@ -196,27 +196,6 @@ ac_nir_unpack_arg(nir_builder *b, const struct ac_shader_args *ac_args, struct a
return ac_nir_unpack_value(b, value, rshift, bitwidth);
}
static bool
is_sin_cos(const nir_instr *instr, UNUSED const void *_)
{
return instr->type == nir_instr_type_alu && (nir_instr_as_alu(instr)->op == nir_op_fsin ||
nir_instr_as_alu(instr)->op == nir_op_fcos);
}
static nir_def *
lower_sin_cos(struct nir_builder *b, nir_instr *instr, UNUSED void *_)
{
nir_alu_instr *sincos = nir_instr_as_alu(instr);
nir_def *src = nir_fmul_imm(b, nir_ssa_for_alu_src(b, sincos, 0), 0.15915493667125702);
return sincos->op == nir_op_fsin ? nir_fsin_amd(b, src) : nir_fcos_amd(b, src);
}
bool
ac_nir_lower_sin_cos(nir_shader *shader)
{
return nir_shader_lower_instructions(shader, is_sin_cos, lower_sin_cos, NULL);
}
void
ac_nir_store_var_components(nir_builder *b, nir_variable *var, nir_def *value,
unsigned component, unsigned writemask)

31
src/amd/common/ac_nir_lower_sin_cos.c Normal file
View file

@ -0,0 +1,31 @@
/*
* Copyright © 2021 Valve Corporation
*
* SPDX-License-Identifier: MIT
*/
#include "ac_nir.h"
#include "ac_nir_helpers.h"
#include "nir_builder.h"
static bool
is_sin_cos(const nir_instr *instr, UNUSED const void *_)
{
return instr->type == nir_instr_type_alu && (nir_instr_as_alu(instr)->op == nir_op_fsin ||
nir_instr_as_alu(instr)->op == nir_op_fcos);
}
static nir_def *
lower_sin_cos(struct nir_builder *b, nir_instr *instr, UNUSED void *_)
{
nir_alu_instr *sincos = nir_instr_as_alu(instr);
nir_def *src = nir_fmul_imm(b, nir_ssa_for_alu_src(b, sincos, 0), 0.15915493667125702);
return sincos->op == nir_op_fsin ? nir_fsin_amd(b, src) : nir_fcos_amd(b, src);
}
bool
ac_nir_lower_sin_cos(nir_shader *shader)
{
return nir_shader_lower_instructions(shader, is_sin_cos, lower_sin_cos, NULL);
}

1
src/amd/common/meson.build
View file

@ -102,6 +102,7 @@ amd_common_files = files(
'ac_nir_lower_ngg.c',
'ac_nir_lower_ps_early.c',
'ac_nir_lower_ps_late.c',
'ac_nir_lower_sin_cos.c',
'ac_nir_meta.h',
'ac_nir_meta_cs_blit.c',
'ac_nir_meta_cs_clear_copy_buffer.c',