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pan/bi: handle load_attribute_pan

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Most code is shared with load_input, with the sole difference
being where vertex and instance IDs are sourced from.

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32039>
This commit is contained in:
Caterina Shablia 2024-12-12 17:37:25 +00:00 • committed by Marge Bot
parent f4fcfa8016
commit c7c04e13e3
1 changed files with 16 additions and 3 deletions
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19
src/panfrost/compiler/bifrost_compile.c
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@ -464,6 +464,15 @@ bi_copy_component(bi_builder *b, nir_intrinsic_instr *instr, bi_index tmp)
static void
bi_emit_load_attr(bi_builder *b, nir_intrinsic_instr *instr)
{
bi_index vertex_id =
instr->intrinsic == nir_intrinsic_load_attribute_pan ?
bi_src_index(&instr->src[0]) :
bi_vertex_id(b);
bi_index instance_id =
instr->intrinsic == nir_intrinsic_load_attribute_pan ?
bi_src_index(&instr->src[1]) :
bi_instance_id(b);
/* Disregard the signedness of an integer, since loading 32-bits into a
* 32-bit register should be bit exact so should not incur any clamping.
*
@ -487,7 +496,7 @@ bi_emit_load_attr(bi_builder *b, nir_intrinsic_instr *instr)
bi_instr *I;
if (immediate) {
I = bi_ld_attr_imm_to(b, dest, bi_vertex_id(b), bi_instance_id(b), regfmt,
I = bi_ld_attr_imm_to(b, dest, vertex_id, instance_id, regfmt,
vecsize, pan_res_handle_get_index(imm_index));
if (b->shader->arch >= 9)
@ -500,8 +509,7 @@ bi_emit_load_attr(bi_builder *b, nir_intrinsic_instr *instr)
else if (base != 0)
idx = bi_iadd_u32(b, idx, bi_imm_u32(base), false);
I = bi_ld_attr_to(b, dest, bi_vertex_id(b), bi_instance_id(b), idx,
regfmt, vecsize);
I = bi_ld_attr_to(b, dest, vertex_id, instance_id, idx, regfmt, vecsize);
}
bi_copy_component(b, instr, dest);
@ -1746,6 +1754,11 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
case nir_intrinsic_load_barycentric_at_offset:
/* handled later via load_vary */
break;
case nir_intrinsic_load_attribute_pan:
assert(stage == MESA_SHADER_VERTEX);
bi_emit_load_attr(b, instr);
break;
case nir_intrinsic_load_interpolated_input:
case nir_intrinsic_load_input:
if (b->shader->inputs->is_blend)