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pan/blend: Use flat inputs for blend shaders

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There's nothing to interpolate here so there's no reason to use
nir_load_interpolated_input.

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38788>
This commit is contained in:
Faith Ekstrand 2025-11-28 15:16:28 -05:00 • committed by Marge Bot
parent bdd4bea636
commit cad5fb4370
1 changed files with 2 additions and 3 deletions
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5
src/panfrost/lib/pan_blend.c
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@ -656,7 +656,6 @@ GENX(pan_blend_create_shader)(const struct pan_blend_state *state,
options.rt[rt].alpha.dst_factor = rt_state->equation.alpha_dst_factor;
}
nir_def *pixel = nir_load_barycentric_pixel(&b, 32, .interp_mode = 1);
nir_def *zero = nir_imm_int(&b, 0);
for (unsigned i = 0; i < 2; ++i) {
@ -667,8 +666,8 @@ GENX(pan_blend_create_shader)(const struct pan_blend_state *state,
src_type = nir_alu_type_get_base_type(nir_type) |
nir_alu_type_get_type_size(src_type);
nir_def *src = nir_load_interpolated_input(
&b, 4, nir_alu_type_get_type_size(src_type), pixel, zero,
nir_def *src = nir_load_input(
&b, 4, nir_alu_type_get_type_size(src_type), zero,
.io_semantics.location = i ? VARYING_SLOT_VAR0 : VARYING_SLOT_COL0,
.io_semantics.num_slots = 1, .base = i, .dest_type = src_type);