1/*
2 * Copyright 2017 Advanced Micro Devices, Inc.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef TGSI_FROM_MESA_H
25#define TGSI_FROM_MESA_H
26
27#include <stdbool.h>
28
29#include "pipe/p_compiler.h"
30#include "pipe/p_defines.h"
31#include "pipe/p_shader_tokens.h"
32
33#include "compiler/shader_enums.h"
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39
40void
41tgsi_get_gl_varying_semantic(gl_varying_slot attr,
42                             bool needs_texcoord_semantic,
43                             unsigned *semantic_name,
44                             unsigned *semantic_index);
45
46unsigned
47tgsi_get_generic_gl_varying_index(gl_varying_slot attr,
48                                  bool needs_texcoord_semantic);
49
50void
51tgsi_get_gl_frag_result_semantic(gl_frag_result frag_result,
52                                 unsigned *semantic_name,
53                                 unsigned *semantic_index);
54
55enum tgsi_semantic
56tgsi_get_sysval_semantic(unsigned sysval);
57
58enum tgsi_interpolate_mode
59tgsi_get_interp_mode(enum glsl_interp_mode mode, bool color);
60
61static inline enum pipe_shader_type
62pipe_shader_type_from_mesa(gl_shader_stage stage)
63{
64   switch (stage) {
65   case MESA_SHADER_VERTEX:
66      return PIPE_SHADER_VERTEX;
67   case MESA_SHADER_TESS_CTRL:
68      return PIPE_SHADER_TESS_CTRL;
69   case MESA_SHADER_TESS_EVAL:
70      return PIPE_SHADER_TESS_EVAL;
71   case MESA_SHADER_GEOMETRY:
72      return PIPE_SHADER_GEOMETRY;
73   case MESA_SHADER_FRAGMENT:
74      return PIPE_SHADER_FRAGMENT;
75   case MESA_SHADER_COMPUTE:
76   case MESA_SHADER_KERNEL:
77      return PIPE_SHADER_COMPUTE;
78   default:
79      unreachable("bad shader stage");
80   }
81}
82
83static inline gl_shader_stage
84tgsi_processor_to_shader_stage(unsigned processor)
85{
86   switch (processor) {
87   case PIPE_SHADER_FRAGMENT:  return MESA_SHADER_FRAGMENT;
88   case PIPE_SHADER_VERTEX:    return MESA_SHADER_VERTEX;
89   case PIPE_SHADER_GEOMETRY:  return MESA_SHADER_GEOMETRY;
90   case PIPE_SHADER_TESS_CTRL: return MESA_SHADER_TESS_CTRL;
91   case PIPE_SHADER_TESS_EVAL: return MESA_SHADER_TESS_EVAL;
92   case PIPE_SHADER_COMPUTE:   return MESA_SHADER_COMPUTE;
93   default:
94      unreachable("invalid TGSI processor");
95   }
96}
97
98#ifdef __cplusplus
99}
100#endif
101
102#endif /* TGSI_FROM_MESA_H */
103