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pan/compiler: Collect nopersp varyings in lower_noperspective_fs

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Now that lower_noperspective_fs and varying collection are closer
together we can merge nopersp collection in lower_noperspective_fs
without fear of desyncrhonization, making everything also a bit cleaner.

Signed-off-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40924>
This commit is contained in:
Lorenzo Rossi 2026-04-15 11:09:53 +02:00 • committed by Marge Bot
parent dfdb9f1d41
commit d2f7b8db9d
3 changed files with 8 additions and 7 deletions
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7
src/panfrost/compiler/bifrost/bifrost_nir.c
View file

@ -885,7 +885,8 @@ bifrost_postprocess_nir(nir_shader *nir,
NIR_PASS(_, nir, nir_lower_is_helper_invocation);
NIR_PASS(_, nir, pan_nir_lower_helper_invocation);
NIR_PASS(_, nir, pan_nir_lower_sample_pos);
NIR_PASS(_, nir, pan_nir_lower_noperspective_fs);
NIR_PASS(_, nir, pan_nir_lower_noperspective_fs,
&info->varyings.noperspective);
NIR_PASS(_, nir, nir_lower_frag_coord_to_pixel_coord);
NIR_PASS(_, nir, pan_nir_lower_var_special_pan);
@ -902,10 +903,6 @@ bifrost_postprocess_nir(nir_shader *nir,
inputs->trust_varying_flat_highp_types,
false /* lower mediump */);
/* TODO: This can go in lower_noperspective_fs */
info->varyings.noperspective =
pan_nir_collect_noperspective_varyings_fs(nir);
if (!inputs->is_blend)
NIR_PASS(_, nir, pan_nir_lower_fs_inputs, inputs->gpu_id,
inputs->varying_layout, info);

3
src/panfrost/compiler/pan_nir.h
View file

@ -53,7 +53,8 @@ bool pan_nir_lower_image_ms(nir_shader *shader);
bool pan_nir_lower_var_special_pan(nir_shader *shader);
bool pan_nir_lower_noperspective_vs(nir_shader *shader);
bool pan_nir_lower_noperspective_fs(nir_shader *shader);
bool pan_nir_lower_noperspective_fs(nir_shader *shader,
uint32_t *noperspective_varyings);
bool pan_nir_lower_vs_outputs(nir_shader *shader, uint64_t gpu_id,
const struct pan_varying_layout *varying_layout,

5
src/panfrost/compiler/pan_nir_lower_noperspective.c
View file

@ -214,7 +214,8 @@ pan_nir_lower_noperspective_vs(nir_shader *shader)
}
bool
pan_nir_lower_noperspective_fs(nir_shader *shader)
pan_nir_lower_noperspective_fs(nir_shader *shader,
uint32_t *noperspective_varyings)
{
assert(shader->info.stage == MESA_SHADER_FRAGMENT);
@ -226,5 +227,7 @@ pan_nir_lower_noperspective_fs(nir_shader *shader)
nir_shader_intrinsics_pass(shader, lower_noperspective_fs,
nir_metadata_control_flow, NULL);
*noperspective_varyings =
pan_nir_collect_noperspective_varyings_fs(shader);
return true;
}