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pco: use interpolated input intrinsics for shader io

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Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37540>
This commit is contained in:
Simon Perretta 2025-09-23 21:14:07 +01:00
parent b111b8a844
commit cd9d55201f
1 changed files with 15 additions and 3 deletions
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18
src/imagination/pco/pco_nir.c
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@ -143,8 +143,10 @@ static bool frag_in_scalar_filter(const nir_instr *instr, const void *data)
nir_shader *nir = (nir_shader *)data;
nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
if (intr->intrinsic != nir_intrinsic_load_input)
if (intr->intrinsic != nir_intrinsic_load_input &&
intr->intrinsic != nir_intrinsic_load_interpolated_input) {
return false;
}
gl_varying_slot location = nir_intrinsic_io_semantics(intr).location;
if (location == VARYING_SLOT_POS)
@ -154,7 +156,16 @@ static bool frag_in_scalar_filter(const nir_instr *instr, const void *data)
nir_find_variable_with_location(nir, nir_var_shader_in, location);
assert(var);
if (var->data.interpolation == INTERP_MODE_FLAT)
enum glsl_interp_mode interp_mode = var->data.interpolation;
if (intr->intrinsic == nir_intrinsic_load_interpolated_input) {
nir_intrinsic_instr *bary = nir_src_as_intrinsic(intr->src[0]);
assert(bary);
interp_mode = nir_intrinsic_interp_mode(bary);
}
if (interp_mode == INTERP_MODE_FLAT)
return true;
return false;
@ -829,7 +840,8 @@ void pco_lower_nir(pco_ctx *ctx, nir_shader *nir, pco_data *data)
nir_lower_io,
nir_var_shader_in | nir_var_shader_out,
glsl_type_size,
nir_lower_io_lower_64bit_to_32);
nir_lower_io_lower_64bit_to_32 |
nir_lower_io_use_interpolated_input_intrinsics);
nir_variable_mode vec_modes = nir->info.stage == MESA_SHADER_FRAGMENT
? nir_var_shader_out