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 void
36 tgsi_get_gl_varying_semantic(gl_varying_slot attr,
37 bool needs_texcoord_semantic,
38 unsigned *semantic_name,
39 unsigned *semantic_index);
40
41 unsigned
42 tgsi_get_generic_gl_varying_index(gl_varying_slot attr,
43 bool needs_texcoord_semantic);
44
45 void
46 tgsi_get_gl_frag_result_semantic(gl_frag_result frag_result,
47 unsigned *semantic_name,
48 unsigned *semantic_index);
49
50 static inline enum pipe_shader_type
pipe_shader_type_from_mesa(gl_shader_stage stage)51 pipe_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
71 #endif /* TGSI_FROM_MESA_H */
72