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
35void
36tgsi_get_gl_varying_semantic(gl_varying_slot attr,
37                             bool needs_texcoord_semantic,
38                             unsigned *semantic_name,
39                             unsigned *semantic_index);
40
41unsigned
42tgsi_get_generic_gl_varying_index(gl_varying_slot attr,
43                                  bool needs_texcoord_semantic);
44
45void
46tgsi_get_gl_frag_result_semantic(gl_frag_result frag_result,
47                                 unsigned *semantic_name,
48                                 unsigned *semantic_index);
49
50static inline enum pipe_shader_type
51pipe_shader_type_from_mesa(gl_shader_stage stage)
52{
53   switch (stage) {
54   case MESA_SHADER_VERTEX:
55      return PIPE_SHADER_VERTEX;
56   case MESA_SHADER_TESS_CTRL:
57      return PIPE_SHADER_TESS_CTRL;
58   case MESA_SHADER_TESS_EVAL:
59      return PIPE_SHADER_TESS_EVAL;
60   case MESA_SHADER_GEOMETRY:
61      return PIPE_SHADER_GEOMETRY;
62   case MESA_SHADER_FRAGMENT:
63      return PIPE_SHADER_FRAGMENT;
64   case MESA_SHADER_COMPUTE:
65      return PIPE_SHADER_COMPUTE;
66   default:
67      unreachable("bad shader stage");
68   }
69}
70
71static inline gl_shader_stage
72tgsi_processor_to_shader_stage(unsigned processor)
73{
74   switch (processor) {
75   case PIPE_SHADER_FRAGMENT:  return MESA_SHADER_FRAGMENT;
76   case PIPE_SHADER_VERTEX:    return MESA_SHADER_VERTEX;
77   case PIPE_SHADER_GEOMETRY:  return MESA_SHADER_GEOMETRY;
78   case PIPE_SHADER_TESS_CTRL: return MESA_SHADER_TESS_CTRL;
79   case PIPE_SHADER_TESS_EVAL: return MESA_SHADER_TESS_EVAL;
80   case PIPE_SHADER_COMPUTE:   return MESA_SHADER_COMPUTE;
81   default:
82      unreachable("invalid TGSI processor");
83   }
84}
85
86#endif /* TGSI_FROM_MESA_H */
87