1/*
2 * Copyright © 2016 Bas Nieuwenhuizen
3 *
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:
10 *
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
13 * Software.
14 *
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
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#ifndef AC_NIR_TO_LLVM_H
25#define AC_NIR_TO_LLVM_H
26
27#include <stdbool.h>
28#include "llvm-c/Core.h"
29#include "llvm-c/TargetMachine.h"
30#include "amd_family.h"
31#include "compiler/shader_enums.h"
32
33struct nir_shader;
34struct nir_variable;
35struct ac_llvm_context;
36struct ac_shader_abi;
37
38/* Interpolation locations */
39#define INTERP_CENTER 0
40#define INTERP_CENTROID 1
41#define INTERP_SAMPLE 2
42
43static inline unsigned ac_llvm_reg_index_soa(unsigned index, unsigned chan)
44{
45	return (index * 4) + chan;
46}
47
48void ac_lower_indirect_derefs(struct nir_shader *nir, enum chip_class);
49
50bool ac_are_tessfactors_def_in_all_invocs(const struct nir_shader *nir);
51
52void ac_nir_translate(struct ac_llvm_context *ac, struct ac_shader_abi *abi,
53		      struct nir_shader *nir);
54
55void
56ac_handle_shader_output_decl(struct ac_llvm_context *ctx,
57			     struct ac_shader_abi *abi,
58			     struct nir_shader *nir,
59			     struct nir_variable *variable,
60			     gl_shader_stage stage);
61
62void ac_emit_barrier(struct ac_llvm_context *ac, gl_shader_stage stage);
63
64#endif /* AC_NIR_TO_LLVM_H */
65