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agx: Support packed layered rendering writes

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With the new pass.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig
2023-08-28 08:35:28 -04:00
parent 4a954dff07
commit b252630604
2 changed files with 24 additions and 1 deletions
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20
src/asahi/compiler/agx_compile.c
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@@ -443,6 +443,17 @@ agx_emit_store_vary(agx_builder *b, nir_intrinsic_instr *instr)
assert(nir_src_is_const(*offset) && "todo: indirects");
unsigned imm_index = b->shader->out->varyings.vs.slots[sem.location];
if (sem.location == VARYING_SLOT_LAYER) {
/* Separate slots used for the sysval vs the varying. The default slot
* above is for the varying. Change for the sysval.
*/
assert(sem.no_sysval_output || sem.no_varying);
if (sem.no_varying)
imm_index = b->shader->out->varyings.vs.layer_viewport_slot;
}
assert(imm_index < ~0);
imm_index += (nir_src_as_uint(*offset) * 4) + nir_intrinsic_component(instr);
@@ -2407,6 +2418,11 @@ agx_remap_varyings_vs(nir_shader *nir, struct agx_varyings_vs *varyings,
base += 1;
}
if (nir->info.outputs_written & VARYING_BIT_LAYER) {
varyings->layer_viewport_slot = base;
base += 1;
}
/* All varyings linked now */
varyings->nr_index = base;
}
@@ -2841,8 +2857,10 @@ agx_compile_shader_nir(nir_shader *nir, struct agx_shader_key *key,
/* Varying output is scalar, other I/O is vector. Lowered late because
* transform feedback programs will use vector output.
*/
if (nir->info.stage == MESA_SHADER_VERTEX)
if (nir->info.stage == MESA_SHADER_VERTEX) {
NIR_PASS_V(nir, nir_lower_io_to_scalar, nir_var_shader_out, NULL, NULL);
NIR_PASS_V(nir, agx_nir_lower_layer);
}
out->push_count = key->reserved_preamble;
agx_optimize_nir(nir, &out->push_count);