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glsl: use nir_shader_instructions_pass in gl_nir_lower_atomics

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Changes:
- nir_metadata_preserve(..., nir_metadata_all) is called when pass doesn't
  make progress

Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12282>
This commit is contained in:
Marcin Ślusarz
2021-08-06 15:23:56 +02:00
committed by Marge Bot
parent e9dc98ed87
commit 1829fde212
1 changed files with 30 additions and 30 deletions
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60
src/compiler/glsl/gl_nir_lower_atomics.c
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@@ -139,40 +139,40 @@ lower_deref_instr(nir_builder *b, nir_intrinsic_instr *instr,
return true;
}
struct lower_atomics_data {
bool use_binding_as_idx;
nir_shader *shader;
const struct gl_shader_program *shader_program;
};
static bool
gl_nir_lower_atomics_instr(nir_builder *b, nir_instr *instr, void *cb_data)
{
if (instr->type != nir_instr_type_intrinsic)
return false;
struct lower_atomics_data *data = cb_data;
return lower_deref_instr(b,
nir_instr_as_intrinsic(instr),
data->shader_program,
data->shader,
data->use_binding_as_idx);
}
bool
gl_nir_lower_atomics(nir_shader *shader,
const struct gl_shader_program *shader_program,
bool use_binding_as_idx)
{
bool progress = false;
struct lower_atomics_data data = {
.use_binding_as_idx = use_binding_as_idx,
.shader = shader,
.shader_program = shader_program,
};
nir_foreach_function(function, shader) {
if (!function->impl)
continue;
bool impl_progress = false;
nir_builder build;
nir_builder_init(&build, function->impl);
nir_foreach_block(block, function->impl) {
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_intrinsic)
continue;
impl_progress |= lower_deref_instr(&build,
nir_instr_as_intrinsic(instr),
shader_program, shader,
use_binding_as_idx);
}
}
if (impl_progress) {
nir_metadata_preserve(function->impl, nir_metadata_block_index |
nir_metadata_dominance);
progress = true;
}
}
return progress;
return nir_shader_instructions_pass(shader, gl_nir_lower_atomics_instr,
nir_metadata_block_index |
nir_metadata_dominance,
&data);
}