1/*
2 * Copyright © 2016 Red Hat
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef ST_NIR_H
25#define ST_NIR_H
26
27#include "st_context.h"
28#include "compiler/shader_enums.h"
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34struct nir_shader;
35
36void st_nir_lower_builtin(struct nir_shader *shader);
37void st_nir_lower_tex_src_plane(struct nir_shader *shader, unsigned free_slots,
38                                unsigned lower_2plane, unsigned lower_3plane);
39
40void st_nir_lower_wpos_ytransform(struct nir_shader *nir,
41                                  struct gl_program *prog,
42                                  struct pipe_screen *pscreen);
43
44char *st_finalize_nir(struct st_context *st, struct gl_program *prog,
45                      struct gl_shader_program *shader_program,
46                      struct nir_shader *nir, bool finalize_by_driver,
47                      bool is_before_variants);
48
49bool
50st_link_nir(struct gl_context *ctx,
51            struct gl_shader_program *shader_program);
52
53void st_nir_assign_vs_in_locations(struct nir_shader *nir);
54void st_nir_assign_varying_locations(struct st_context *st,
55                                     struct nir_shader *nir);
56
57void st_nir_lower_samplers(struct pipe_screen *screen, struct nir_shader *nir,
58                           struct gl_shader_program *shader_program,
59                           struct gl_program *prog);
60void st_nir_lower_uniforms(struct st_context *st, struct nir_shader *nir);
61
62struct pipe_shader_state *
63st_nir_finish_builtin_shader(struct st_context *st,
64                             struct nir_shader *nir);
65
66struct pipe_shader_state *
67st_nir_make_passthrough_shader(struct st_context *st,
68                               const char *shader_name,
69                               gl_shader_stage stage,
70                               unsigned num_vars,
71                               unsigned *input_locations,
72                               unsigned *output_locations,
73                               unsigned *interpolation_modes,
74                               unsigned sysval_mask);
75void
76st_nir_add_point_size(struct nir_shader *nir);
77
78struct pipe_shader_state *
79st_nir_make_clearcolor_shader(struct st_context *st);
80
81#ifdef __cplusplus
82}
83#endif
84
85#endif /* ST_NIR_H */
86