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
36 extern "C" {
37 #endif
38
39
40 void
41 tgsi_get_gl_varying_semantic(gl_varying_slot attr,
42 bool needs_texcoord_semantic,
43 unsigned *semantic_name,
44 unsigned *semantic_index);
45
46 unsigned
47 tgsi_get_generic_gl_varying_index(gl_varying_slot attr,
48 bool needs_texcoord_semantic);
49
50 void
51 tgsi_get_gl_frag_result_semantic(gl_frag_result frag_result,
52 unsigned *semantic_name,
53 unsigned *semantic_index);
54
55 enum tgsi_semantic
56 tgsi_get_sysval_semantic(unsigned sysval);
57
58 enum tgsi_interpolate_mode
59 tgsi_get_interp_mode(enum glsl_interp_mode mode, bool color);
60
61 static inline enum pipe_shader_type
pipe_shader_type_from_mesa(gl_shader_stage stage)62 pipe_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
83 static inline gl_shader_stage
tgsi_processor_to_shader_stage(unsigned processor)84 tgsi_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