nir/types: Add helpers for function types
[mesa.git] / src / compiler / nir_types.cpp
1 /*
2 * Copyright © 2014 Intel Corporation
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 #include "nir_types.h"
29 #include "compiler/glsl/ir.h"
30
31 void
32 glsl_print_type(const glsl_type *type, FILE *fp)
33 {
34 if (type->base_type == GLSL_TYPE_ARRAY) {
35 glsl_print_type(type->fields.array, fp);
36 fprintf(fp, "[%u]", type->length);
37 } else if ((type->base_type == GLSL_TYPE_STRUCT)
38 && !is_gl_identifier(type->name)) {
39 fprintf(fp, "%s@%p", type->name, (void *) type);
40 } else {
41 fprintf(fp, "%s", type->name);
42 }
43 }
44
45 void
46 glsl_print_struct(const glsl_type *type, FILE *fp)
47 {
48 assert(type->base_type == GLSL_TYPE_STRUCT);
49
50 fprintf(fp, "struct {\n");
51 for (unsigned i = 0; i < type->length; i++) {
52 fprintf(fp, "\t");
53 glsl_print_type(type->fields.structure[i].type, fp);
54 fprintf(fp, " %s;\n", type->fields.structure[i].name);
55 }
56 fprintf(fp, "}\n");
57 }
58
59 const glsl_type *
60 glsl_get_array_element(const glsl_type* type)
61 {
62 if (type->is_matrix())
63 return type->column_type();
64 return type->fields.array;
65 }
66
67 const glsl_type *
68 glsl_get_struct_field(const glsl_type *type, unsigned index)
69 {
70 return type->fields.structure[index].type;
71 }
72
73 const glsl_type *
74 glsl_get_function_return_type(const glsl_type *type)
75 {
76 return type->fields.parameters[0].type;
77 }
78
79 const glsl_function_param *
80 glsl_get_function_param(const glsl_type *type, unsigned index)
81 {
82 return &type->fields.parameters[index + 1];
83 }
84
85 const struct glsl_type *
86 glsl_get_column_type(const struct glsl_type *type)
87 {
88 return type->column_type();
89 }
90
91 enum glsl_base_type
92 glsl_get_base_type(const struct glsl_type *type)
93 {
94 return type->base_type;
95 }
96
97 unsigned
98 glsl_get_vector_elements(const struct glsl_type *type)
99 {
100 return type->vector_elements;
101 }
102
103 unsigned
104 glsl_get_components(const struct glsl_type *type)
105 {
106 return type->components();
107 }
108
109 unsigned
110 glsl_get_matrix_columns(const struct glsl_type *type)
111 {
112 return type->matrix_columns;
113 }
114
115 unsigned
116 glsl_get_length(const struct glsl_type *type)
117 {
118 return type->is_matrix() ? type->matrix_columns : type->length;
119 }
120
121 unsigned
122 glsl_get_aoa_size(const struct glsl_type *type)
123 {
124 return type->arrays_of_arrays_size();
125 }
126
127 const char *
128 glsl_get_struct_elem_name(const struct glsl_type *type, unsigned index)
129 {
130 return type->fields.structure[index].name;
131 }
132
133 unsigned
134 glsl_get_record_location_offset(const struct glsl_type *type,
135 unsigned length)
136 {
137 return type->record_location_offset(length);
138 }
139
140 bool
141 glsl_type_is_void(const glsl_type *type)
142 {
143 return type->is_void();
144 }
145
146 bool
147 glsl_type_is_vector(const struct glsl_type *type)
148 {
149 return type->is_vector();
150 }
151
152 bool
153 glsl_type_is_scalar(const struct glsl_type *type)
154 {
155 return type->is_scalar();
156 }
157
158 bool
159 glsl_type_is_vector_or_scalar(const struct glsl_type *type)
160 {
161 return type->is_vector() || type->is_scalar();
162 }
163
164 bool
165 glsl_type_is_matrix(const struct glsl_type *type)
166 {
167 return type->is_matrix();
168 }
169
170 const glsl_type *
171 glsl_void_type(void)
172 {
173 return glsl_type::void_type;
174 }
175
176 const glsl_type *
177 glsl_float_type(void)
178 {
179 return glsl_type::float_type;
180 }
181
182 const glsl_type *
183 glsl_vec_type(unsigned n)
184 {
185 return glsl_type::vec(n);
186 }
187
188 const glsl_type *
189 glsl_vec4_type(void)
190 {
191 return glsl_type::vec4_type;
192 }
193
194 const glsl_type *
195 glsl_uint_type(void)
196 {
197 return glsl_type::uint_type;
198 }
199
200 const glsl_type *
201 glsl_array_type(const glsl_type *base, unsigned elements)
202 {
203 return glsl_type::get_array_instance(base, elements);
204 }
205
206 const glsl_type *
207 glsl_function_type(const glsl_type *return_type,
208 const glsl_function_param *params, unsigned num_params)
209 {
210 return glsl_type::get_function_instance(return_type, params, num_params);
211 }