2 * Copyright © 2016 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include "nir_builder.h"
27 nir_lower_tes_patch_vertices(nir_shader
*tes_nir
, unsigned patch_vertices
)
29 nir_foreach_function(function
, tes_nir
) {
31 nir_foreach_block(block
, function
->impl
) {
33 nir_builder_init(&b
, function
->impl
);
34 nir_foreach_instr_safe(instr
, block
) {
35 if (instr
->type
== nir_instr_type_intrinsic
) {
36 nir_intrinsic_instr
*intr
= nir_instr_as_intrinsic(instr
);
37 if (intr
->intrinsic
!= nir_intrinsic_load_patch_vertices_in
)
40 b
.cursor
= nir_before_instr(&intr
->instr
);
41 nir_ssa_def
*val
= nir_imm_int(&b
, patch_vertices
);
42 nir_ssa_def_rewrite_uses(&intr
->dest
.ssa
,
43 nir_src_for_ssa(val
));
44 nir_instr_remove(instr
);
49 nir_metadata_preserve(function
->impl
, nir_metadata_block_index
|
50 nir_metadata_dominance
);