1 /*
2 * Copyright © 2014 Connor Abbott
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Connor Abbott (cwabbott0@gmail.com)
25 *
26 */
27
28 #ifndef NIR_TYPES_H
29 #define NIR_TYPES_H
30
31 #include <stdio.h>
32 #include <stdbool.h>
33
34 /* C wrapper around compiler/glsl_types.h */
35
36 #include "glsl_types.h"
37
38 #ifdef __cplusplus
39 extern "C" {
40 #else
41 struct glsl_type;
42 #endif
43
44 const char *glsl_get_type_name(const struct glsl_type *type);
45
46 const struct glsl_type *glsl_get_struct_field(const struct glsl_type *type,
47 unsigned index);
48
49 const struct glsl_type *glsl_get_array_element(const struct glsl_type *type);
50 const struct glsl_type *glsl_without_array(const struct glsl_type *type);
51 const struct glsl_type *glsl_get_array_instance(const struct glsl_type *type,
52 unsigned array_size);
53
54 const struct glsl_type *glsl_get_column_type(const struct glsl_type *type);
55
56 const struct glsl_type *
57 glsl_get_function_return_type(const struct glsl_type *type);
58
59 const struct glsl_function_param *
60 glsl_get_function_param(const struct glsl_type *type, unsigned index);
61
62 enum glsl_base_type glsl_get_base_type(const struct glsl_type *type);
63
64 unsigned glsl_get_vector_elements(const struct glsl_type *type);
65
66 unsigned glsl_get_components(const struct glsl_type *type);
67
68 unsigned glsl_get_matrix_columns(const struct glsl_type *type);
69
70 unsigned glsl_get_length(const struct glsl_type *type);
71
72 unsigned glsl_get_aoa_size(const struct glsl_type *type);
73
74 unsigned glsl_count_attribute_slots(const struct glsl_type *type,
75 bool is_vertex_input);
76
77 const char *glsl_get_struct_elem_name(const struct glsl_type *type,
78 unsigned index);
79
80 enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
81 enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
82
83 unsigned glsl_get_record_location_offset(const struct glsl_type *type,
84 unsigned length);
85
86 static inline unsigned
glsl_get_bit_size(const struct glsl_type * type)87 glsl_get_bit_size(const struct glsl_type *type)
88 {
89 switch (glsl_get_base_type(type)) {
90 case GLSL_TYPE_INT:
91 case GLSL_TYPE_UINT:
92 case GLSL_TYPE_BOOL:
93 case GLSL_TYPE_FLOAT: /* TODO handle mediump */
94 case GLSL_TYPE_SUBROUTINE:
95 return 32;
96
97 case GLSL_TYPE_FLOAT16:
98 case GLSL_TYPE_UINT16:
99 case GLSL_TYPE_INT16:
100 return 16;
101
102 case GLSL_TYPE_DOUBLE:
103 case GLSL_TYPE_INT64:
104 case GLSL_TYPE_UINT64:
105 case GLSL_TYPE_IMAGE:
106 case GLSL_TYPE_SAMPLER:
107 return 64;
108
109 default:
110 unreachable("unknown base type");
111 }
112
113 return 0;
114 }
115
116 bool glsl_type_is_64bit(const struct glsl_type *type);
117 bool glsl_type_is_void(const struct glsl_type *type);
118 bool glsl_type_is_error(const struct glsl_type *type);
119 bool glsl_type_is_vector(const struct glsl_type *type);
120 bool glsl_type_is_scalar(const struct glsl_type *type);
121 bool glsl_type_is_vector_or_scalar(const struct glsl_type *type);
122 bool glsl_type_is_matrix(const struct glsl_type *type);
123 bool glsl_type_is_array(const struct glsl_type *type);
124 bool glsl_type_is_array_of_arrays(const struct glsl_type *type);
125 bool glsl_type_is_struct(const struct glsl_type *type);
126 bool glsl_type_is_sampler(const struct glsl_type *type);
127 bool glsl_type_is_image(const struct glsl_type *type);
128 bool glsl_type_is_dual_slot(const struct glsl_type *type);
129 bool glsl_type_is_numeric(const struct glsl_type *type);
130 bool glsl_type_is_boolean(const struct glsl_type *type);
131 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
132 bool glsl_sampler_type_is_array(const struct glsl_type *type);
133
134 const struct glsl_type *glsl_void_type(void);
135 const struct glsl_type *glsl_float_type(void);
136 const struct glsl_type *glsl_float16_t_type(void);
137 const struct glsl_type *glsl_double_type(void);
138 const struct glsl_type *glsl_vec_type(unsigned n);
139 const struct glsl_type *glsl_dvec_type(unsigned n);
140 const struct glsl_type *glsl_vec4_type(void);
141 const struct glsl_type *glsl_uvec4_type(void);
142 const struct glsl_type *glsl_int_type(void);
143 const struct glsl_type *glsl_uint_type(void);
144 const struct glsl_type *glsl_int64_t_type(void);
145 const struct glsl_type *glsl_uint64_t_type(void);
146 const struct glsl_type *glsl_int16_t_type(void);
147 const struct glsl_type *glsl_uint16_t_type(void);
148 const struct glsl_type *glsl_bool_type(void);
149
150 const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);
151 const struct glsl_type *glsl_vector_type(enum glsl_base_type base_type,
152 unsigned components);
153 const struct glsl_type *glsl_matrix_type(enum glsl_base_type base_type,
154 unsigned rows, unsigned columns);
155 const struct glsl_type *glsl_array_type(const struct glsl_type *base,
156 unsigned elements);
157 const struct glsl_type *glsl_struct_type(const struct glsl_struct_field *fields,
158 unsigned num_fields, const char *name);
159 const struct glsl_type *glsl_interface_type(const struct glsl_struct_field *fields,
160 unsigned num_fields,
161 enum glsl_interface_packing packing,
162 bool row_major,
163 const char *block_name);
164 const struct glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
165 bool is_shadow, bool is_array,
166 enum glsl_base_type base_type);
167 const struct glsl_type *glsl_bare_sampler_type();
168 const struct glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
169 bool is_array,
170 enum glsl_base_type base_type);
171 const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
172 const struct glsl_function_param *params,
173 unsigned num_params);
174
175 const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
176
177 const struct glsl_type *glsl_channel_type(const struct glsl_type *type);
178
179 #ifdef __cplusplus
180 }
181 #endif
182
183 #endif /* NIR_TYPES_H */
184