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hk: use nir_lower_default_point_size

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34762>
This commit is contained in:
Alyssa Rosenzweig 2025-04-28 15:34:22 -04:00 • committed by Marge Bot
parent a49403f4ac
commit 0acb34b065
1 changed files with 1 additions and 26 deletions
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27
src/asahi/vulkan/hk_shader.c
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@ -421,31 +421,6 @@ hk_lower_multiview(nir_shader *nir)
b.shader->info.outputs_written |= VARYING_BIT_LAYER;
}
/*
* KHR_maintenance5 requires that points rasterize with a default point size of
* 1.0, while our hardware requires an explicit point size write for this.
* Since topology may be dynamic, we insert an unconditional write if necessary.
*/
static bool
hk_nir_insert_psiz_write(nir_shader *nir)
{
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
if (nir->info.outputs_written & VARYING_BIT_PSIZ) {
return nir_no_progress(impl);
}
nir_builder b = nir_builder_at(nir_after_impl(impl));
nir_store_output(&b, nir_imm_float(&b, 1.0), nir_imm_int(&b, 0),
.write_mask = nir_component_mask(1),
.io_semantics.location = VARYING_SLOT_PSIZ,
.io_semantics.num_slots = 1, .src_type = nir_type_float32);
nir->info.outputs_written |= VARYING_BIT_PSIZ;
return nir_progress(true, b.impl, nir_metadata_control_flow);
}
static nir_def *
query_custom_border(nir_builder *b, nir_tex_instr *tex)
{
@ -1066,7 +1041,7 @@ hk_lower_hw_vs(nir_shader *nir, struct hk_shader *shader)
NIR_PASS(_, nir, nir_lower_point_size, 1.0f, 511.95f);
/* TODO: Optimize out for monolithic? */
NIR_PASS(_, nir, hk_nir_insert_psiz_write);
NIR_PASS(_, nir, nir_lower_default_point_size);
NIR_PASS(_, nir, nir_lower_io_to_scalar, nir_var_shader_out, NULL, NULL);
NIR_PASS(_, nir, agx_nir_lower_cull_distance_vs);